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Finding the Fourth Proportional to 287,449.91, 430,847.90 and 174,882

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Solution

The fourth proportional to 287,449.91, 430,847.90 and 174,882 is: 262,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,449.91 : 430,847.90 = 174,882 : x
  2. Step 2: Convert to fraction form
    287,449.91/430,847.90 = 174,882/x
  3. Step 3: Cross multiply
    287,449.91x = 430,847.90 × 174,882
  4. Step 4: Simplify right side
    287,449.91x = 75,347,542,885.01
  5. Step 5: Solve for x
    x = 75,347,542,885.01/287,449.91
  6. Step 6: Final answer
    x = 262,124.08

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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.