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Finding the Fourth Proportional to 338,445.86, 507,134.72 and 124,919.88

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Solution

The fourth proportional to 338,445.86, 507,134.72 and 124,919.88 is: 187,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,445.86 : 507,134.72 = 124,919.88 : x
  2. Step 2: Convert to fraction form
    338,445.86/507,134.72 = 124,919.88/x
  3. Step 3: Cross multiply
    338,445.86x = 507,134.72 × 124,919.88
  4. Step 4: Simplify right side
    338,445.86x = 63,351,208,366.23
  5. Step 5: Solve for x
    x = 63,351,208,366.23/338,445.86
  6. Step 6: Final answer
    x = 187,182.70

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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.