Home / 215,822.56-323,879.28-75,582.40

Finding the Fourth Proportional to 215,822.56, 323,879.28 and 75,582.40

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Solution

The fourth proportional to 215,822.56, 323,879.28 and 75,582.40 is: 113,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,822.56 : 323,879.28 = 75,582.40 : x
  2. Step 2: Convert to fraction form
    215,822.56/323,879.28 = 75,582.40/x
  3. Step 3: Cross multiply
    215,822.56x = 323,879.28 × 75,582.40
  4. Step 4: Simplify right side
    215,822.56x = 24,479,573,292.67
  5. Step 5: Solve for x
    x = 24,479,573,292.67/215,822.56
  6. Step 6: Final answer
    x = 113,424.53

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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.