Home / 395,316.32-545,526.42-220,887.92

Finding the Fourth Proportional to 395,316.32, 545,526.42 and 220,887.92

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Solution

The fourth proportional to 395,316.32, 545,526.42 and 220,887.92 is: 304,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,316.32 : 545,526.42 = 220,887.92 : x
  2. Step 2: Convert to fraction form
    395,316.32/545,526.42 = 220,887.92/x
  3. Step 3: Cross multiply
    395,316.32x = 545,526.42 × 220,887.92
  4. Step 4: Simplify right side
    395,316.32x = 120,500,196,218.85
  5. Step 5: Solve for x
    x = 120,500,196,218.85/395,316.32
  6. Step 6: Final answer
    x = 304,819.69

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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.