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Finding the Fourth Proportional to 306,159.80, 459,081.48 and 137,535.96

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Solution

The fourth proportional to 306,159.80, 459,081.48 and 137,535.96 is: 206,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,159.80 : 459,081.48 = 137,535.96 : x
  2. Step 2: Convert to fraction form
    306,159.80/459,081.48 = 137,535.96/x
  3. Step 3: Cross multiply
    306,159.80x = 459,081.48 × 137,535.96
  4. Step 4: Simplify right side
    306,159.80x = 63,140,212,070.02
  5. Step 5: Solve for x
    x = 63,140,212,070.02/306,159.80
  6. Step 6: Final answer
    x = 206,232.86

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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.