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Finding the Fourth Proportional to 375,761.03, 517,961.18 and 284,752.67

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Solution

The fourth proportional to 375,761.03, 517,961.18 and 284,752.67 is: 392,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,761.03 : 517,961.18 = 284,752.67 : x
  2. Step 2: Convert to fraction form
    375,761.03/517,961.18 = 284,752.67/x
  3. Step 3: Cross multiply
    375,761.03x = 517,961.18 × 284,752.67
  4. Step 4: Simplify right side
    375,761.03x = 147,490,827,083.43
  5. Step 5: Solve for x
    x = 147,490,827,083.43/375,761.03
  6. Step 6: Final answer
    x = 392,512.31

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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.