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Finding the Fourth Proportional to 56,250.60, 84,376.90 and 16,808.20

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Solution

The fourth proportional to 56,250.60, 84,376.90 and 16,808.20 is: 25,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,250.60 : 84,376.90 = 16,808.20 : x
  2. Step 2: Convert to fraction form
    56,250.60/84,376.90 = 16,808.20/x
  3. Step 3: Cross multiply
    56,250.60x = 84,376.90 × 16,808.20
  4. Step 4: Simplify right side
    56,250.60x = 1,418,223,810.58
  5. Step 5: Solve for x
    x = 1,418,223,810.58/56,250.60
  6. Step 6: Final answer
    x = 25,212.60

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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.