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Finding the Fourth Proportional to 437,320.63, 656,073 and 247,871.77

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Solution

The fourth proportional to 437,320.63, 656,073 and 247,871.77 is: 371,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,320.63 : 656,073 = 247,871.77 : x
  2. Step 2: Convert to fraction form
    437,320.63/656,073 = 247,871.77/x
  3. Step 3: Cross multiply
    437,320.63x = 656,073 × 247,871.77
  4. Step 4: Simplify right side
    437,320.63x = 162,621,975,759.21
  5. Step 5: Solve for x
    x = 162,621,975,759.21/437,320.63
  6. Step 6: Final answer
    x = 371,859.83

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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.