Home / 224,241.02-309,451.35-123,639.10

Finding the Fourth Proportional to 224,241.02, 309,451.35 and 123,639.10

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Solution

The fourth proportional to 224,241.02, 309,451.35 and 123,639.10 is: 170,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,241.02 : 309,451.35 = 123,639.10 : x
  2. Step 2: Convert to fraction form
    224,241.02/309,451.35 = 123,639.10/x
  3. Step 3: Cross multiply
    224,241.02x = 309,451.35 × 123,639.10
  4. Step 4: Simplify right side
    224,241.02x = 38,260,286,407.79
  5. Step 5: Solve for x
    x = 38,260,286,407.79/224,241.02
  6. Step 6: Final answer
    x = 170,621.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.