Home / 591,143.52-887,065.20-217,428.96

Finding the Fourth Proportional to 591,143.52, 887,065.20 and 217,428.96

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Solution

The fourth proportional to 591,143.52, 887,065.20 and 217,428.96 is: 326,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,143.52 : 887,065.20 = 217,428.96 : x
  2. Step 2: Convert to fraction form
    591,143.52/887,065.20 = 217,428.96/x
  3. Step 3: Cross multiply
    591,143.52x = 887,065.20 × 217,428.96
  4. Step 4: Simplify right side
    591,143.52x = 192,873,663,888.19
  5. Step 5: Solve for x
    x = 192,873,663,888.19/591,143.52
  6. Step 6: Final answer
    x = 326,272.14

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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.