Home / 229,509.79-344,132.25-89,104.39

Finding the Fourth Proportional to 229,509.79, 344,132.25 and 89,104.39

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Solution

The fourth proportional to 229,509.79, 344,132.25 and 89,104.39 is: 133,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,509.79 : 344,132.25 = 89,104.39 : x
  2. Step 2: Convert to fraction form
    229,509.79/344,132.25 = 89,104.39/x
  3. Step 3: Cross multiply
    229,509.79x = 344,132.25 × 89,104.39
  4. Step 4: Simplify right side
    229,509.79x = 30,663,694,215.58
  5. Step 5: Solve for x
    x = 30,663,694,215.58/229,509.79
  6. Step 6: Final answer
    x = 133,605.17

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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.