Home / 331,520.18-497,276.60-198,437.58

Finding the Fourth Proportional to 331,520.18, 497,276.60 and 198,437.58

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Solution

The fourth proportional to 331,520.18, 497,276.60 and 198,437.58 is: 297,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,520.18 : 497,276.60 = 198,437.58 : x
  2. Step 2: Convert to fraction form
    331,520.18/497,276.60 = 198,437.58/x
  3. Step 3: Cross multiply
    331,520.18x = 497,276.60 × 198,437.58
  4. Step 4: Simplify right side
    331,520.18x = 98,678,364,102.44
  5. Step 5: Solve for x
    x = 98,678,364,102.44/331,520.18
  6. Step 6: Final answer
    x = 297,654.17

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1.5x scale

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.