Home / 345,517.20-476,673.28-229,285.49

Finding the Fourth Proportional to 345,517.20, 476,673.28 and 229,285.49

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Solution

The fourth proportional to 345,517.20, 476,673.28 and 229,285.49 is: 316,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,517.20 : 476,673.28 = 229,285.49 : x
  2. Step 2: Convert to fraction form
    345,517.20/476,673.28 = 229,285.49/x
  3. Step 3: Cross multiply
    345,517.20x = 476,673.28 × 229,285.49
  4. Step 4: Simplify right side
    345,517.20x = 109,294,266,496.69
  5. Step 5: Solve for x
    x = 109,294,266,496.69/345,517.20
  6. Step 6: Final answer
    x = 316,320.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.