Home / 306,560.46-459,835.38-137,961.48

Finding the Fourth Proportional to 306,560.46, 459,835.38 and 137,961.48

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Solution

The fourth proportional to 306,560.46, 459,835.38 and 137,961.48 is: 206,939.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,560.46 : 459,835.38 = 137,961.48 : x
  2. Step 2: Convert to fraction form
    306,560.46/459,835.38 = 137,961.48/x
  3. Step 3: Cross multiply
    306,560.46x = 459,835.38 × 137,961.48
  4. Step 4: Simplify right side
    306,560.46x = 63,439,569,581.16
  5. Step 5: Solve for x
    x = 63,439,569,581.16/306,560.46
  6. Step 6: Final answer
    x = 206,939.83

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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.