Home / 397,261.30-596,147.10-219,895.60

Finding the Fourth Proportional to 397,261.30, 596,147.10 and 219,895.60

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Solution

The fourth proportional to 397,261.30, 596,147.10 and 219,895.60 is: 329,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,261.30 : 596,147.10 = 219,895.60 : x
  2. Step 2: Convert to fraction form
    397,261.30/596,147.10 = 219,895.60/x
  3. Step 3: Cross multiply
    397,261.30x = 596,147.10 × 219,895.60
  4. Step 4: Simplify right side
    397,261.30x = 131,090,124,242.76
  5. Step 5: Solve for x
    x = 131,090,124,242.76/397,261.30
  6. Step 6: Final answer
    x = 329,984.63

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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.