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Finding the Fourth Proportional to 338,188.30, 507,227.77 and 101,489.29

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Solution

The fourth proportional to 338,188.30, 507,227.77 and 101,489.29 is: 152,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,188.30 : 507,227.77 = 101,489.29 : x
  2. Step 2: Convert to fraction form
    338,188.30/507,227.77 = 101,489.29/x
  3. Step 3: Cross multiply
    338,188.30x = 507,227.77 × 101,489.29
  4. Step 4: Simplify right side
    338,188.30x = 51,478,185,104.38
  5. Step 5: Solve for x
    x = 51,478,185,104.38/338,188.30
  6. Step 6: Final answer
    x = 152,217.52

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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.