Home / 305,274.96-457,934.30-80,633.16

Finding the Fourth Proportional to 305,274.96, 457,934.30 and 80,633.16

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Solution

The fourth proportional to 305,274.96, 457,934.30 and 80,633.16 is: 120,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,274.96 : 457,934.30 = 80,633.16 : x
  2. Step 2: Convert to fraction form
    305,274.96/457,934.30 = 80,633.16/x
  3. Step 3: Cross multiply
    305,274.96x = 457,934.30 × 80,633.16
  4. Step 4: Simplify right side
    305,274.96x = 36,924,687,391.72
  5. Step 5: Solve for x
    x = 36,924,687,391.72/305,274.96
  6. Step 6: Final answer
    x = 120,955.51

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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.