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Finding the Fourth Proportional to 482,158.86, 723,637.35 and 242,341.52

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Solution

The fourth proportional to 482,158.86, 723,637.35 and 242,341.52 is: 363,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,158.86 : 723,637.35 = 242,341.52 : x
  2. Step 2: Convert to fraction form
    482,158.86/723,637.35 = 242,341.52/x
  3. Step 3: Cross multiply
    482,158.86x = 723,637.35 × 242,341.52
  4. Step 4: Simplify right side
    482,158.86x = 175,367,371,709.59
  5. Step 5: Solve for x
    x = 175,367,371,709.59/482,158.86
  6. Step 6: Final answer
    x = 363,712.85

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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.