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Finding the Fourth Proportional to 341,833.57, 512,750.58 and 89,113.42

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Solution

The fourth proportional to 341,833.57, 512,750.58 and 89,113.42 is: 133,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,833.57 : 512,750.58 = 89,113.42 : x
  2. Step 2: Convert to fraction form
    341,833.57/512,750.58 = 89,113.42/x
  3. Step 3: Cross multiply
    341,833.57x = 512,750.58 × 89,113.42
  4. Step 4: Simplify right side
    341,833.57x = 45,692,955,463.96
  5. Step 5: Solve for x
    x = 45,692,955,463.96/341,833.57
  6. Step 6: Final answer
    x = 133,670.18

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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.