Home / 486,209.29-671,002.50-271,391.35

Finding the Fourth Proportional to 486,209.29, 671,002.50 and 271,391.35

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Solution

The fourth proportional to 486,209.29, 671,002.50 and 271,391.35 is: 374,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,209.29 : 671,002.50 = 271,391.35 : x
  2. Step 2: Convert to fraction form
    486,209.29/671,002.50 = 271,391.35/x
  3. Step 3: Cross multiply
    486,209.29x = 671,002.50 × 271,391.35
  4. Step 4: Simplify right side
    486,209.29x = 182,104,274,328.38
  5. Step 5: Solve for x
    x = 182,104,274,328.38/486,209.29
  6. Step 6: Final answer
    x = 374,538.86

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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.