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Finding the Fourth Proportional to 540,160.14, 745,428.82 and 298,448.28

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Solution

The fourth proportional to 540,160.14, 745,428.82 and 298,448.28 is: 411,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,160.14 : 745,428.82 = 298,448.28 : x
  2. Step 2: Convert to fraction form
    540,160.14/745,428.82 = 298,448.28/x
  3. Step 3: Cross multiply
    540,160.14x = 745,428.82 × 298,448.28
  4. Step 4: Simplify right side
    540,160.14x = 222,471,949,191.43
  5. Step 5: Solve for x
    x = 222,471,949,191.43/540,160.14
  6. Step 6: Final answer
    x = 411,862.95

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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.