Home / 324,254.12-447,118.02-210,866.60

Finding the Fourth Proportional to 324,254.12, 447,118.02 and 210,866.60

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Solution

The fourth proportional to 324,254.12, 447,118.02 and 210,866.60 is: 290,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,254.12 : 447,118.02 = 210,866.60 : x
  2. Step 2: Convert to fraction form
    324,254.12/447,118.02 = 210,866.60/x
  3. Step 3: Cross multiply
    324,254.12x = 447,118.02 × 210,866.60
  4. Step 4: Simplify right side
    324,254.12x = 94,282,256,676.13
  5. Step 5: Solve for x
    x = 94,282,256,676.13/324,254.12
  6. Step 6: Final answer
    x = 290,766.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.