Home / 418,948.68-578,156.10-227,963.04

Finding the Fourth Proportional to 418,948.68, 578,156.10 and 227,963.04

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Solution

The fourth proportional to 418,948.68, 578,156.10 and 227,963.04 is: 314,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,948.68 : 578,156.10 = 227,963.04 : x
  2. Step 2: Convert to fraction form
    418,948.68/578,156.10 = 227,963.04/x
  3. Step 3: Cross multiply
    418,948.68x = 578,156.10 × 227,963.04
  4. Step 4: Simplify right side
    418,948.68x = 131,798,222,150.54
  5. Step 5: Solve for x
    x = 131,798,222,150.54/418,948.68
  6. Step 6: Final answer
    x = 314,592.76

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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.