Home / 338,317.16-466,906.14-187,428.20

Finding the Fourth Proportional to 338,317.16, 466,906.14 and 187,428.20

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Solution

The fourth proportional to 338,317.16, 466,906.14 and 187,428.20 is: 258,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,317.16 : 466,906.14 = 187,428.20 : x
  2. Step 2: Convert to fraction form
    338,317.16/466,906.14 = 187,428.20/x
  3. Step 3: Cross multiply
    338,317.16x = 466,906.14 × 187,428.20
  4. Step 4: Simplify right side
    338,317.16x = 87,511,377,389.15
  5. Step 5: Solve for x
    x = 87,511,377,389.15/338,317.16
  6. Step 6: Final answer
    x = 258,666.68

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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.