Home / 331,467.90-497,266.65-131,754.30

Finding the Fourth Proportional to 331,467.90, 497,266.65 and 131,754.30

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Solution

The fourth proportional to 331,467.90, 497,266.65 and 131,754.30 is: 197,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,467.90 : 497,266.65 = 131,754.30 : x
  2. Step 2: Convert to fraction form
    331,467.90/497,266.65 = 131,754.30/x
  3. Step 3: Cross multiply
    331,467.90x = 497,266.65 × 131,754.30
  4. Step 4: Simplify right side
    331,467.90x = 65,517,019,384.10
  5. Step 5: Solve for x
    x = 65,517,019,384.10/331,467.90
  6. Step 6: Final answer
    x = 197,657.21

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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.