Home / 331,537.62-497,302.74-198,455.04

Finding the Fourth Proportional to 331,537.62, 497,302.74 and 198,455.04

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Solution

The fourth proportional to 331,537.62, 497,302.74 and 198,455.04 is: 297,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,537.62 : 497,302.74 = 198,455.04 : x
  2. Step 2: Convert to fraction form
    331,537.62/497,302.74 = 198,455.04/x
  3. Step 3: Cross multiply
    331,537.62x = 497,302.74 × 198,455.04
  4. Step 4: Simplify right side
    331,537.62x = 98,692,235,158.81
  5. Step 5: Solve for x
    x = 98,692,235,158.81/331,537.62
  6. Step 6: Final answer
    x = 297,680.35

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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.