Home / 283,515.27-425,355.93-83,840.82

Finding the Fourth Proportional to 283,515.27, 425,355.93 and 83,840.82

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Solution

The fourth proportional to 283,515.27, 425,355.93 and 83,840.82 is: 125,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,515.27 : 425,355.93 = 83,840.82 : x
  2. Step 2: Convert to fraction form
    283,515.27/425,355.93 = 83,840.82/x
  3. Step 3: Cross multiply
    283,515.27x = 425,355.93 × 83,840.82
  4. Step 4: Simplify right side
    283,515.27x = 35,662,189,963.06
  5. Step 5: Solve for x
    x = 35,662,189,963.06/283,515.27
  6. Step 6: Final answer
    x = 125,785.78

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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.