Home / 229,417.28-343,992-89,011.88

Finding the Fourth Proportional to 229,417.28, 343,992 and 89,011.88

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Solution

The fourth proportional to 229,417.28, 343,992 and 89,011.88 is: 133,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,417.28 : 343,992 = 89,011.88 : x
  2. Step 2: Convert to fraction form
    229,417.28/343,992 = 89,011.88/x
  3. Step 3: Cross multiply
    229,417.28x = 343,992 × 89,011.88
  4. Step 4: Simplify right side
    229,417.28x = 30,619,374,624.96
  5. Step 5: Solve for x
    x = 30,619,374,624.96/229,417.28
  6. Step 6: Final answer
    x = 133,465.86

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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.