Home / 306,419.27-459,853.02-156,784.73

Finding the Fourth Proportional to 306,419.27, 459,853.02 and 156,784.73

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Solution

The fourth proportional to 306,419.27, 459,853.02 and 156,784.73 is: 235,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,419.27 : 459,853.02 = 156,784.73 : x
  2. Step 2: Convert to fraction form
    306,419.27/459,853.02 = 156,784.73/x
  3. Step 3: Cross multiply
    306,419.27x = 459,853.02 × 156,784.73
  4. Step 4: Simplify right side
    306,419.27x = 72,097,929,281.12
  5. Step 5: Solve for x
    x = 72,097,929,281.12/306,419.27
  6. Step 6: Final answer
    x = 235,291.76

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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.