Home / 381,421.03-572,317.37-156,848.93

Finding the Fourth Proportional to 381,421.03, 572,317.37 and 156,848.93

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Solution

The fourth proportional to 381,421.03, 572,317.37 and 156,848.93 is: 235,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,421.03 : 572,317.37 = 156,848.93 : x
  2. Step 2: Convert to fraction form
    381,421.03/572,317.37 = 156,848.93/x
  3. Step 3: Cross multiply
    381,421.03x = 572,317.37 × 156,848.93
  4. Step 4: Simplify right side
    381,421.03x = 89,767,367,104.91
  5. Step 5: Solve for x
    x = 89,767,367,104.91/381,421.03
  6. Step 6: Final answer
    x = 235,349.81

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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.