Home / 378,006.14-566,812.35-178,272.90

Finding the Fourth Proportional to 378,006.14, 566,812.35 and 178,272.90

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Solution

The fourth proportional to 378,006.14, 566,812.35 and 178,272.90 is: 267,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,006.14 : 566,812.35 = 178,272.90 : x
  2. Step 2: Convert to fraction form
    378,006.14/566,812.35 = 178,272.90/x
  3. Step 3: Cross multiply
    378,006.14x = 566,812.35 × 178,272.90
  4. Step 4: Simplify right side
    378,006.14x = 101,047,281,390.32
  5. Step 5: Solve for x
    x = 101,047,281,390.32/378,006.14
  6. Step 6: Final answer
    x = 267,316.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.