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Finding the Fourth Proportional to 438,052.50, 656,827.22 and 171,500.94

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Solution

The fourth proportional to 438,052.50, 656,827.22 and 171,500.94 is: 257,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,052.50 : 656,827.22 = 171,500.94 : x
  2. Step 2: Convert to fraction form
    438,052.50/656,827.22 = 171,500.94/x
  3. Step 3: Cross multiply
    438,052.50x = 656,827.22 × 171,500.94
  4. Step 4: Simplify right side
    438,052.50x = 112,646,485,647.59
  5. Step 5: Solve for x
    x = 112,646,485,647.59/438,052.50
  6. Step 6: Final answer
    x = 257,152.93

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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.