Home / 443,304.29-665,053.67-143,815.16

Finding the Fourth Proportional to 443,304.29, 665,053.67 and 143,815.16

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Solution

The fourth proportional to 443,304.29, 665,053.67 and 143,815.16 is: 215,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,304.29 : 665,053.67 = 143,815.16 : x
  2. Step 2: Convert to fraction form
    443,304.29/665,053.67 = 143,815.16/x
  3. Step 3: Cross multiply
    443,304.29x = 665,053.67 × 143,815.16
  4. Step 4: Simplify right side
    443,304.29x = 95,644,801,981.81
  5. Step 5: Solve for x
    x = 95,644,801,981.81/443,304.29
  6. Step 6: Final answer
    x = 215,754.29

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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.