Home / 230,217.17-317,748.71-154,721.93

Finding the Fourth Proportional to 230,217.17, 317,748.71 and 154,721.93

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Solution

The fourth proportional to 230,217.17, 317,748.71 and 154,721.93 is: 213,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,217.17 : 317,748.71 = 154,721.93 : x
  2. Step 2: Convert to fraction form
    230,217.17/317,748.71 = 154,721.93/x
  3. Step 3: Cross multiply
    230,217.17x = 317,748.71 × 154,721.93
  4. Step 4: Simplify right side
    230,217.17x = 49,162,693,666.21
  5. Step 5: Solve for x
    x = 49,162,693,666.21/230,217.17
  6. Step 6: Final answer
    x = 213,549.21

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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.