Home / 285,542.32-428,012.08-95,822.81

Finding the Fourth Proportional to 285,542.32, 428,012.08 and 95,822.81

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Solution

The fourth proportional to 285,542.32, 428,012.08 and 95,822.81 is: 143,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,542.32 : 428,012.08 = 95,822.81 : x
  2. Step 2: Convert to fraction form
    285,542.32/428,012.08 = 95,822.81/x
  3. Step 3: Cross multiply
    285,542.32x = 428,012.08 × 95,822.81
  4. Step 4: Simplify right side
    285,542.32x = 41,013,320,219.54
  5. Step 5: Solve for x
    x = 41,013,320,219.54/285,542.32
  6. Step 6: Final answer
    x = 143,633.07

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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.