Home / 281,478.92-422,173.02-123,677.96

Finding the Fourth Proportional to 281,478.92, 422,173.02 and 123,677.96

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Solution

The fourth proportional to 281,478.92, 422,173.02 and 123,677.96 is: 185,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,478.92 : 422,173.02 = 123,677.96 : x
  2. Step 2: Convert to fraction form
    281,478.92/422,173.02 = 123,677.96/x
  3. Step 3: Cross multiply
    281,478.92x = 422,173.02 × 123,677.96
  4. Step 4: Simplify right side
    281,478.92x = 52,213,497,880.64
  5. Step 5: Solve for x
    x = 52,213,497,880.64/281,478.92
  6. Step 6: Final answer
    x = 185,497.01

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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.