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Finding the Fourth Proportional to 567,401.96, 851,132.13 and 146,681.48

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Solution

The fourth proportional to 567,401.96, 851,132.13 and 146,681.48 is: 220,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,401.96 : 851,132.13 = 146,681.48 : x
  2. Step 2: Convert to fraction form
    567,401.96/851,132.13 = 146,681.48/x
  3. Step 3: Cross multiply
    567,401.96x = 851,132.13 × 146,681.48
  4. Step 4: Simplify right side
    567,401.96x = 124,845,320,503.95
  5. Step 5: Solve for x
    x = 124,845,320,503.95/567,401.96
  6. Step 6: Final answer
    x = 220,029.77

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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.