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Finding the Fourth Proportional to 397,324.85, 596,005.64 and 131,108.63

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Solution

The fourth proportional to 397,324.85, 596,005.64 and 131,108.63 is: 196,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,324.85 : 596,005.64 = 131,108.63 : x
  2. Step 2: Convert to fraction form
    397,324.85/596,005.64 = 131,108.63/x
  3. Step 3: Cross multiply
    397,324.85x = 596,005.64 × 131,108.63
  4. Step 4: Simplify right side
    397,324.85x = 78,141,482,932.67
  5. Step 5: Solve for x
    x = 78,141,482,932.67/397,324.85
  6. Step 6: Final answer
    x = 196,669.01

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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.