Home / 306,219.83-459,423.06-156,565.19

Finding the Fourth Proportional to 306,219.83, 459,423.06 and 156,565.19

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Solution

The fourth proportional to 306,219.83, 459,423.06 and 156,565.19 is: 234,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,219.83 : 459,423.06 = 156,565.19 : x
  2. Step 2: Convert to fraction form
    306,219.83/459,423.06 = 156,565.19/x
  3. Step 3: Cross multiply
    306,219.83x = 459,423.06 × 156,565.19
  4. Step 4: Simplify right side
    306,219.83x = 71,929,656,382.17
  5. Step 5: Solve for x
    x = 71,929,656,382.17/306,219.83
  6. Step 6: Final answer
    x = 234,895.49

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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.