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Finding the Fourth Proportional to 374,693.88, 517,064.75 and 213,600.85

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Solution

The fourth proportional to 374,693.88, 517,064.75 and 213,600.85 is: 294,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,693.88 : 517,064.75 = 213,600.85 : x
  2. Step 2: Convert to fraction form
    374,693.88/517,064.75 = 213,600.85/x
  3. Step 3: Cross multiply
    374,693.88x = 517,064.75 × 213,600.85
  4. Step 4: Simplify right side
    374,693.88x = 110,445,468,545.38
  5. Step 5: Solve for x
    x = 110,445,468,545.38/374,693.88
  6. Step 6: Final answer
    x = 294,761.87

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1.5x scale

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.