Home / 331,507.55-457,535.86-195,575.20

Finding the Fourth Proportional to 331,507.55, 457,535.86 and 195,575.20

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Solution

The fourth proportional to 331,507.55, 457,535.86 and 195,575.20 is: 269,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,507.55 : 457,535.86 = 195,575.20 : x
  2. Step 2: Convert to fraction form
    331,507.55/457,535.86 = 195,575.20/x
  3. Step 3: Cross multiply
    331,507.55x = 457,535.86 × 195,575.20
  4. Step 4: Simplify right side
    331,507.55x = 89,482,665,693.89
  5. Step 5: Solve for x
    x = 89,482,665,693.89/331,507.55
  6. Step 6: Final answer
    x = 269,926.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.