Home / 306,220,268.80-459,330,403.20-220,126,826.80

Finding the Fourth Proportional to 306,220,268.80, 459,330,403.20 and 220,126,826.80

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Solution

The fourth proportional to 306,220,268.80, 459,330,403.20 and 220,126,826.80 is: 330,190,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,220,268.80 : 459,330,403.20 = 220,126,826.80 : x
  2. Step 2: Convert to fraction form
    306,220,268.80/459,330,403.20 = 220,126,826.80/x
  3. Step 3: Cross multiply
    306,220,268.80x = 459,330,403.20 × 220,126,826.80
  4. Step 4: Simplify right side
    306,220,268.80x = 101,110,944,109,180,576
  5. Step 5: Solve for x
    x = 101,110,944,109,180,576/306,220,268.80
  6. Step 6: Final answer
    x = 330,190,240.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.