Home / 371,956.32-512,431.92-258,582.24

Finding the Fourth Proportional to 371,956.32, 512,431.92 and 258,582.24

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Solution

The fourth proportional to 371,956.32, 512,431.92 and 258,582.24 is: 356,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,956.32 : 512,431.92 = 258,582.24 : x
  2. Step 2: Convert to fraction form
    371,956.32/512,431.92 = 258,582.24/x
  3. Step 3: Cross multiply
    371,956.32x = 512,431.92 × 258,582.24
  4. Step 4: Simplify right side
    371,956.32x = 132,505,793,721.10
  5. Step 5: Solve for x
    x = 132,505,793,721.10/371,956.32
  6. Step 6: Final answer
    x = 356,240.20

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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.