Home / 270,463.24-405,689.82-80,923.72

Finding the Fourth Proportional to 270,463.24, 405,689.82 and 80,923.72

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Solution

The fourth proportional to 270,463.24, 405,689.82 and 80,923.72 is: 121,384.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,463.24 : 405,689.82 = 80,923.72 : x
  2. Step 2: Convert to fraction form
    270,463.24/405,689.82 = 80,923.72/x
  3. Step 3: Cross multiply
    270,463.24x = 405,689.82 × 80,923.72
  4. Step 4: Simplify right side
    270,463.24x = 32,829,929,400.53
  5. Step 5: Solve for x
    x = 32,829,929,400.53/270,463.24
  6. Step 6: Final answer
    x = 121,384.07

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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.