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Finding the Fourth Proportional to 438,929.76, 657,758.52 and 185,860.92

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Solution

The fourth proportional to 438,929.76, 657,758.52 and 185,860.92 is: 278,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,929.76 : 657,758.52 = 185,860.92 : x
  2. Step 2: Convert to fraction form
    438,929.76/657,758.52 = 185,860.92/x
  3. Step 3: Cross multiply
    438,929.76x = 657,758.52 × 185,860.92
  4. Step 4: Simplify right side
    438,929.76x = 122,251,603,665.04
  5. Step 5: Solve for x
    x = 122,251,603,665.04/438,929.76
  6. Step 6: Final answer
    x = 278,522.02

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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.