Home / 230,217.18-317,748.70-154,721.94

Finding the Fourth Proportional to 230,217.18, 317,748.70 and 154,721.94

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Solution

The fourth proportional to 230,217.18, 317,748.70 and 154,721.94 is: 213,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,217.18 : 317,748.70 = 154,721.94 : x
  2. Step 2: Convert to fraction form
    230,217.18/317,748.70 = 154,721.94/x
  3. Step 3: Cross multiply
    230,217.18x = 317,748.70 × 154,721.94
  4. Step 4: Simplify right side
    230,217.18x = 49,162,695,296.48
  5. Step 5: Solve for x
    x = 49,162,695,296.48/230,217.18
  6. Step 6: Final answer
    x = 213,549.20

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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.