Home / 299,631.07-413,503.04-172,306.66

Finding the Fourth Proportional to 299,631.07, 413,503.04 and 172,306.66

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Solution

The fourth proportional to 299,631.07, 413,503.04 and 172,306.66 is: 237,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,631.07 : 413,503.04 = 172,306.66 : x
  2. Step 2: Convert to fraction form
    299,631.07/413,503.04 = 172,306.66/x
  3. Step 3: Cross multiply
    299,631.07x = 413,503.04 × 172,306.66
  4. Step 4: Simplify right side
    299,631.07x = 71,249,327,722.25
  5. Step 5: Solve for x
    x = 71,249,327,722.25/299,631.07
  6. Step 6: Final answer
    x = 237,790.19

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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.