Home / 284,499.20-426,748.80-144,531.20

Finding the Fourth Proportional to 284,499.20, 426,748.80 and 144,531.20

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Solution

The fourth proportional to 284,499.20, 426,748.80 and 144,531.20 is: 216,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,499.20 : 426,748.80 = 144,531.20 : x
  2. Step 2: Convert to fraction form
    284,499.20/426,748.80 = 144,531.20/x
  3. Step 3: Cross multiply
    284,499.20x = 426,748.80 × 144,531.20
  4. Step 4: Simplify right side
    284,499.20x = 61,678,516,162.56
  5. Step 5: Solve for x
    x = 61,678,516,162.56/284,499.20
  6. Step 6: Final answer
    x = 216,796.80

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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.