Home / 229,073.40-343,869.30-135,631.80

Finding the Fourth Proportional to 229,073.40, 343,869.30 and 135,631.80

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Solution

The fourth proportional to 229,073.40, 343,869.30 and 135,631.80 is: 203,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,073.40 : 343,869.30 = 135,631.80 : x
  2. Step 2: Convert to fraction form
    229,073.40/343,869.30 = 135,631.80/x
  3. Step 3: Cross multiply
    229,073.40x = 343,869.30 × 135,631.80
  4. Step 4: Simplify right side
    229,073.40x = 46,639,612,123.74
  5. Step 5: Solve for x
    x = 46,639,612,123.74/229,073.40
  6. Step 6: Final answer
    x = 203,601.17

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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.