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Finding the Fourth Proportional to 292,840.80, 439,747.04 and 182,732.64

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Solution

The fourth proportional to 292,840.80, 439,747.04 and 182,732.64 is: 274,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,840.80 : 439,747.04 = 182,732.64 : x
  2. Step 2: Convert to fraction form
    292,840.80/439,747.04 = 182,732.64/x
  3. Step 3: Cross multiply
    292,840.80x = 439,747.04 × 182,732.64
  4. Step 4: Simplify right side
    292,840.80x = 80,356,137,551.39
  5. Step 5: Solve for x
    x = 80,356,137,551.39/292,840.80
  6. Step 6: Final answer
    x = 274,402.12

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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.