Home / 499,803.20-749,743.68-144,822.32

Finding the Fourth Proportional to 499,803.20, 749,743.68 and 144,822.32

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Solution

The fourth proportional to 499,803.20, 749,743.68 and 144,822.32 is: 217,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,803.20 : 749,743.68 = 144,822.32 : x
  2. Step 2: Convert to fraction form
    499,803.20/749,743.68 = 144,822.32/x
  3. Step 3: Cross multiply
    499,803.20x = 749,743.68 × 144,822.32
  4. Step 4: Simplify right side
    499,803.20x = 108,579,619,142.94
  5. Step 5: Solve for x
    x = 108,579,619,142.94/499,803.20
  6. Step 6: Final answer
    x = 217,244.75

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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.