Home / 423,234.10-634,851.15-156,966.85

Finding the Fourth Proportional to 423,234.10, 634,851.15 and 156,966.85

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Solution

The fourth proportional to 423,234.10, 634,851.15 and 156,966.85 is: 235,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,234.10 : 634,851.15 = 156,966.85 : x
  2. Step 2: Convert to fraction form
    423,234.10/634,851.15 = 156,966.85/x
  3. Step 3: Cross multiply
    423,234.10x = 634,851.15 × 156,966.85
  4. Step 4: Simplify right side
    423,234.10x = 99,650,585,234.38
  5. Step 5: Solve for x
    x = 99,650,585,234.38/423,234.10
  6. Step 6: Final answer
    x = 235,450.28

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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.