Home / 217,282.66-326,422.96-153,387.70

Finding the Fourth Proportional to 217,282.66, 326,422.96 and 153,387.70

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Solution

The fourth proportional to 217,282.66, 326,422.96 and 153,387.70 is: 230,433.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,282.66 : 326,422.96 = 153,387.70 : x
  2. Step 2: Convert to fraction form
    217,282.66/326,422.96 = 153,387.70/x
  3. Step 3: Cross multiply
    217,282.66x = 326,422.96 × 153,387.70
  4. Step 4: Simplify right side
    217,282.66x = 50,069,267,061.59
  5. Step 5: Solve for x
    x = 50,069,267,061.59/217,282.66
  6. Step 6: Final answer
    x = 230,433.79

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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.