Home / 253,350.28-349,575.55-156,638.41

Finding the Fourth Proportional to 253,350.28, 349,575.55 and 156,638.41

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Solution

The fourth proportional to 253,350.28, 349,575.55 and 156,638.41 is: 216,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,350.28 : 349,575.55 = 156,638.41 : x
  2. Step 2: Convert to fraction form
    253,350.28/349,575.55 = 156,638.41/x
  3. Step 3: Cross multiply
    253,350.28x = 349,575.55 × 156,638.41
  4. Step 4: Simplify right side
    253,350.28x = 54,756,957,061.34
  5. Step 5: Solve for x
    x = 54,756,957,061.34/253,350.28
  6. Step 6: Final answer
    x = 216,131.42

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1.5x scale

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.