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Finding the Fourth Proportional to 250,385.30, 375,315.51 and 92,513.06

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Solution

The fourth proportional to 250,385.30, 375,315.51 and 92,513.06 is: 138,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,385.30 : 375,315.51 = 92,513.06 : x
  2. Step 2: Convert to fraction form
    250,385.30/375,315.51 = 92,513.06/x
  3. Step 3: Cross multiply
    250,385.30x = 375,315.51 × 92,513.06
  4. Step 4: Simplify right side
    250,385.30x = 34,721,586,295.56
  5. Step 5: Solve for x
    x = 34,721,586,295.56/250,385.30
  6. Step 6: Final answer
    x = 138,672.62

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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.