Home / 397,703.12-596,648.10-131,463.62

Finding the Fourth Proportional to 397,703.12, 596,648.10 and 131,463.62

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Solution

The fourth proportional to 397,703.12, 596,648.10 and 131,463.62 is: 197,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,703.12 : 596,648.10 = 131,463.62 : x
  2. Step 2: Convert to fraction form
    397,703.12/596,648.10 = 131,463.62/x
  3. Step 3: Cross multiply
    397,703.12x = 596,648.10 × 131,463.62
  4. Step 4: Simplify right side
    397,703.12x = 78,437,519,092.12
  5. Step 5: Solve for x
    x = 78,437,519,092.12/397,703.12
  6. Step 6: Final answer
    x = 197,226.31

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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.