Home / 397,235.30-596,108.10-219,869.60

Finding the Fourth Proportional to 397,235.30, 596,108.10 and 219,869.60

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Solution

The fourth proportional to 397,235.30, 596,108.10 and 219,869.60 is: 329,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,235.30 : 596,108.10 = 219,869.60 : x
  2. Step 2: Convert to fraction form
    397,235.30/596,108.10 = 219,869.60/x
  3. Step 3: Cross multiply
    397,235.30x = 596,108.10 × 219,869.60
  4. Step 4: Simplify right side
    397,235.30x = 131,066,049,503.76
  5. Step 5: Solve for x
    x = 131,066,049,503.76/397,235.30
  6. Step 6: Final answer
    x = 329,945.63

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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.