Home / 338,810.04-508,029.50-156,242.72

Finding the Fourth Proportional to 338,810.04, 508,029.50 and 156,242.72

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Solution

The fourth proportional to 338,810.04, 508,029.50 and 156,242.72 is: 234,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,810.04 : 508,029.50 = 156,242.72 : x
  2. Step 2: Convert to fraction form
    338,810.04/508,029.50 = 156,242.72/x
  3. Step 3: Cross multiply
    338,810.04x = 508,029.50 × 156,242.72
  4. Step 4: Simplify right side
    338,810.04x = 79,375,912,580.92
  5. Step 5: Solve for x
    x = 79,375,912,580.92/338,810.04
  6. Step 6: Final answer
    x = 234,278.51

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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.