Home / 306,225.23-459,443.09-137,863.59

Finding the Fourth Proportional to 306,225.23, 459,443.09 and 137,863.59

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Solution

The fourth proportional to 306,225.23, 459,443.09 and 137,863.59 is: 206,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,225.23 : 459,443.09 = 137,863.59 : x
  2. Step 2: Convert to fraction form
    306,225.23/459,443.09 = 137,863.59/x
  3. Step 3: Cross multiply
    306,225.23x = 459,443.09 × 137,863.59
  4. Step 4: Simplify right side
    306,225.23x = 63,340,473,098.78
  5. Step 5: Solve for x
    x = 63,340,473,098.78/306,225.23
  6. Step 6: Final answer
    x = 206,842.77

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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.