Home / 381,419.03-572,314.37-156,846.93

Finding the Fourth Proportional to 381,419.03, 572,314.37 and 156,846.93

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Solution

The fourth proportional to 381,419.03, 572,314.37 and 156,846.93 is: 235,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,419.03 : 572,314.37 = 156,846.93 : x
  2. Step 2: Convert to fraction form
    381,419.03/572,314.37 = 156,846.93/x
  3. Step 3: Cross multiply
    381,419.03x = 572,314.37 × 156,846.93
  4. Step 4: Simplify right side
    381,419.03x = 89,765,751,145.15
  5. Step 5: Solve for x
    x = 89,765,751,145.15/381,419.03
  6. Step 6: Final answer
    x = 235,346.81

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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.