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Finding the Fourth Proportional to 383,424.41, 575,115.68 and 117,184.83

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Solution

The fourth proportional to 383,424.41, 575,115.68 and 117,184.83 is: 175,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,424.41 : 575,115.68 = 117,184.83 : x
  2. Step 2: Convert to fraction form
    383,424.41/575,115.68 = 117,184.83/x
  3. Step 3: Cross multiply
    383,424.41x = 575,115.68 × 117,184.83
  4. Step 4: Simplify right side
    383,424.41x = 67,394,833,484.10
  5. Step 5: Solve for x
    x = 67,394,833,484.10/383,424.41
  6. Step 6: Final answer
    x = 175,770.85

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1.5x scale

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.