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Finding the Fourth Proportional to 242,368.58, 334,527.58 and 140,377.61

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Solution

The fourth proportional to 242,368.58, 334,527.58 and 140,377.61 is: 193,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,368.58 : 334,527.58 = 140,377.61 : x
  2. Step 2: Convert to fraction form
    242,368.58/334,527.58 = 140,377.61/x
  3. Step 3: Cross multiply
    242,368.58x = 334,527.58 × 140,377.61
  4. Step 4: Simplify right side
    242,368.58x = 46,960,181,486.96
  5. Step 5: Solve for x
    x = 46,960,181,486.96/242,368.58
  6. Step 6: Final answer
    x = 193,755.24

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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.