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Finding the Fourth Proportional to 437,751.67, 656,647.62 and 134,124.07

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Solution

The fourth proportional to 437,751.67, 656,647.62 and 134,124.07 is: 201,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,751.67 : 656,647.62 = 134,124.07 : x
  2. Step 2: Convert to fraction form
    437,751.67/656,647.62 = 134,124.07/x
  3. Step 3: Cross multiply
    437,751.67x = 656,647.62 × 134,124.07
  4. Step 4: Simplify right side
    437,751.67x = 88,072,251,350.21
  5. Step 5: Solve for x
    x = 88,072,251,350.21/437,751.67
  6. Step 6: Final answer
    x = 201,192.27

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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.