Home / 198,758.64-298,044.18-58,489.32

Finding the Fourth Proportional to 198,758.64, 298,044.18 and 58,489.32

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Solution

The fourth proportional to 198,758.64, 298,044.18 and 58,489.32 is: 87,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,758.64 : 298,044.18 = 58,489.32 : x
  2. Step 2: Convert to fraction form
    198,758.64/298,044.18 = 58,489.32/x
  3. Step 3: Cross multiply
    198,758.64x = 298,044.18 × 58,489.32
  4. Step 4: Simplify right side
    198,758.64x = 17,432,401,418.16
  5. Step 5: Solve for x
    x = 17,432,401,418.16/198,758.64
  6. Step 6: Final answer
    x = 87,706.38

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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.