Home / 261,964.80-393,008.64-104,202.24

Finding the Fourth Proportional to 261,964.80, 393,008.64 and 104,202.24

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Solution

The fourth proportional to 261,964.80, 393,008.64 and 104,202.24 is: 156,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,964.80 : 393,008.64 = 104,202.24 : x
  2. Step 2: Convert to fraction form
    261,964.80/393,008.64 = 104,202.24/x
  3. Step 3: Cross multiply
    261,964.80x = 393,008.64 × 104,202.24
  4. Step 4: Simplify right side
    261,964.80x = 40,952,380,627.35
  5. Step 5: Solve for x
    x = 40,952,380,627.35/261,964.80
  6. Step 6: Final answer
    x = 156,327.80

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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.