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Finding the Fourth Proportional to 242,578.53, 334,531.32 and 191,712.78

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Solution

The fourth proportional to 242,578.53, 334,531.32 and 191,712.78 is: 264,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,578.53 : 334,531.32 = 191,712.78 : x
  2. Step 2: Convert to fraction form
    242,578.53/334,531.32 = 191,712.78/x
  3. Step 3: Cross multiply
    242,578.53x = 334,531.32 × 191,712.78
  4. Step 4: Simplify right side
    242,578.53x = 64,133,930,608.76
  5. Step 5: Solve for x
    x = 64,133,930,608.76/242,578.53
  6. Step 6: Final answer
    x = 264,384.20

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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.