Home / 217,747.04-326,454.44-99,335.57

Finding the Fourth Proportional to 217,747.04, 326,454.44 and 99,335.57

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Solution

The fourth proportional to 217,747.04, 326,454.44 and 99,335.57 is: 148,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,747.04 : 326,454.44 = 99,335.57 : x
  2. Step 2: Convert to fraction form
    217,747.04/326,454.44 = 99,335.57/x
  3. Step 3: Cross multiply
    217,747.04x = 326,454.44 × 99,335.57
  4. Step 4: Simplify right side
    217,747.04x = 32,428,535,747.48
  5. Step 5: Solve for x
    x = 32,428,535,747.48/217,747.04
  6. Step 6: Final answer
    x = 148,927.57

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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.