Home / 381,420.03-572,315.87-156,847.93

Finding the Fourth Proportional to 381,420.03, 572,315.87 and 156,847.93

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Solution

The fourth proportional to 381,420.03, 572,315.87 and 156,847.93 is: 235,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,420.03 : 572,315.87 = 156,847.93 : x
  2. Step 2: Convert to fraction form
    381,420.03/572,315.87 = 156,847.93/x
  3. Step 3: Cross multiply
    381,420.03x = 572,315.87 × 156,847.93
  4. Step 4: Simplify right side
    381,420.03x = 89,766,559,515.65
  5. Step 5: Solve for x
    x = 89,766,559,515.65/381,420.03
  6. Step 6: Final answer
    x = 235,348.31

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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.