Home / 442,438.92-610,546.28-248,862.78

Finding the Fourth Proportional to 442,438.92, 610,546.28 and 248,862.78

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Solution

The fourth proportional to 442,438.92, 610,546.28 and 248,862.78 is: 343,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,438.92 : 610,546.28 = 248,862.78 : x
  2. Step 2: Convert to fraction form
    442,438.92/610,546.28 = 248,862.78/x
  3. Step 3: Cross multiply
    442,438.92x = 610,546.28 × 248,862.78
  4. Step 4: Simplify right side
    442,438.92x = 151,942,243,315.15
  5. Step 5: Solve for x
    x = 151,942,243,315.15/442,438.92
  6. Step 6: Final answer
    x = 343,419.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.