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Finding the Fourth Proportional to 397,593.80, 596,232.30 and 131,280.20

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Solution

The fourth proportional to 397,593.80, 596,232.30 and 131,280.20 is: 196,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,593.80 : 596,232.30 = 131,280.20 : x
  2. Step 2: Convert to fraction form
    397,593.80/596,232.30 = 131,280.20/x
  3. Step 3: Cross multiply
    397,593.80x = 596,232.30 × 131,280.20
  4. Step 4: Simplify right side
    397,593.80x = 78,273,495,590.46
  5. Step 5: Solve for x
    x = 78,273,495,590.46/397,593.80
  6. Step 6: Final answer
    x = 196,868.00

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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.