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Finding the Fourth Proportional to 426,188.54, 588,153.92 and 242,422.35

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Solution

The fourth proportional to 426,188.54, 588,153.92 and 242,422.35 is: 334,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,188.54 : 588,153.92 = 242,422.35 : x
  2. Step 2: Convert to fraction form
    426,188.54/588,153.92 = 242,422.35/x
  3. Step 3: Cross multiply
    426,188.54x = 588,153.92 × 242,422.35
  4. Step 4: Simplify right side
    426,188.54x = 142,581,656,441.58
  5. Step 5: Solve for x
    x = 142,581,656,441.58/426,188.54
  6. Step 6: Final answer
    x = 334,550.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.