Home / 331,519.17-497,275.10-198,436.58

Finding the Fourth Proportional to 331,519.17, 497,275.10 and 198,436.58

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Solution

The fourth proportional to 331,519.17, 497,275.10 and 198,436.58 is: 297,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,519.17 : 497,275.10 = 198,436.58 : x
  2. Step 2: Convert to fraction form
    331,519.17/497,275.10 = 198,436.58/x
  3. Step 3: Cross multiply
    331,519.17x = 497,275.10 × 198,436.58
  4. Step 4: Simplify right side
    331,519.17x = 98,677,566,684.60
  5. Step 5: Solve for x
    x = 98,677,566,684.60/331,519.17
  6. Step 6: Final answer
    x = 297,652.67

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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.