Home / 283,719.89-425,681.49-121,545.92

Finding the Fourth Proportional to 283,719.89, 425,681.49 and 121,545.92

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Solution

The fourth proportional to 283,719.89, 425,681.49 and 121,545.92 is: 182,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,719.89 : 425,681.49 = 121,545.92 : x
  2. Step 2: Convert to fraction form
    283,719.89/425,681.49 = 121,545.92/x
  3. Step 3: Cross multiply
    283,719.89x = 425,681.49 × 121,545.92
  4. Step 4: Simplify right side
    283,719.89x = 51,739,846,200.61
  5. Step 5: Solve for x
    x = 51,739,846,200.61/283,719.89
  6. Step 6: Final answer
    x = 182,362.42

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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.