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Finding the Fourth Proportional to 416,652.66, 575,016.03 and 235,397.88

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Solution

The fourth proportional to 416,652.66, 575,016.03 and 235,397.88 is: 324,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,652.66 : 575,016.03 = 235,397.88 : x
  2. Step 2: Convert to fraction form
    416,652.66/575,016.03 = 235,397.88/x
  3. Step 3: Cross multiply
    416,652.66x = 575,016.03 × 235,397.88
  4. Step 4: Simplify right side
    416,652.66x = 135,357,554,428.02
  5. Step 5: Solve for x
    x = 135,357,554,428.02/416,652.66
  6. Step 6: Final answer
    x = 324,869.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.