Home / 382,921.11-574,381.53-102,431.07

Finding the Fourth Proportional to 382,921.11, 574,381.53 and 102,431.07

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Solution

The fourth proportional to 382,921.11, 574,381.53 and 102,431.07 is: 153,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,921.11 : 574,381.53 = 102,431.07 : x
  2. Step 2: Convert to fraction form
    382,921.11/574,381.53 = 102,431.07/x
  3. Step 3: Cross multiply
    382,921.11x = 574,381.53 × 102,431.07
  4. Step 4: Simplify right side
    382,921.11x = 58,834,514,706.14
  5. Step 5: Solve for x
    x = 58,834,514,706.14/382,921.11
  6. Step 6: Final answer
    x = 153,646.57

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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.