Home / 299,941.30-449,919.15-89,586.10

Finding the Fourth Proportional to 299,941.30, 449,919.15 and 89,586.10

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Solution

The fourth proportional to 299,941.30, 449,919.15 and 89,586.10 is: 134,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,941.30 : 449,919.15 = 89,586.10 : x
  2. Step 2: Convert to fraction form
    299,941.30/449,919.15 = 89,586.10/x
  3. Step 3: Cross multiply
    299,941.30x = 449,919.15 × 89,586.10
  4. Step 4: Simplify right side
    299,941.30x = 40,306,501,963.82
  5. Step 5: Solve for x
    x = 40,306,501,963.82/299,941.30
  6. Step 6: Final answer
    x = 134,381.30

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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.