Home / 307,788.76-424,925.12-234,617.20

Finding the Fourth Proportional to 307,788.76, 424,925.12 and 234,617.20

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Solution

The fourth proportional to 307,788.76, 424,925.12 and 234,617.20 is: 323,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,788.76 : 424,925.12 = 234,617.20 : x
  2. Step 2: Convert to fraction form
    307,788.76/424,925.12 = 234,617.20/x
  3. Step 3: Cross multiply
    307,788.76x = 424,925.12 × 234,617.20
  4. Step 4: Simplify right side
    307,788.76x = 99,694,741,864.06
  5. Step 5: Solve for x
    x = 99,694,741,864.06/307,788.76
  6. Step 6: Final answer
    x = 323,906.38

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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.