Home / 385,127.20-531,568.20-224,099.20

Finding the Fourth Proportional to 385,127.20, 531,568.20 and 224,099.20

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Solution

The fourth proportional to 385,127.20, 531,568.20 and 224,099.20 is: 309,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,127.20 : 531,568.20 = 224,099.20 : x
  2. Step 2: Convert to fraction form
    385,127.20/531,568.20 = 224,099.20/x
  3. Step 3: Cross multiply
    385,127.20x = 531,568.20 × 224,099.20
  4. Step 4: Simplify right side
    385,127.20x = 119,124,008,365.44
  5. Step 5: Solve for x
    x = 119,124,008,365.44/385,127.20
  6. Step 6: Final answer
    x = 309,310.82

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1.5x scale

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.