Home / 305,274.21-457,933.17-80,632.40

Finding the Fourth Proportional to 305,274.21, 457,933.17 and 80,632.40

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Solution

The fourth proportional to 305,274.21, 457,933.17 and 80,632.40 is: 120,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,274.21 : 457,933.17 = 80,632.40 : x
  2. Step 2: Convert to fraction form
    305,274.21/457,933.17 = 80,632.40/x
  3. Step 3: Cross multiply
    305,274.21x = 457,933.17 × 80,632.40
  4. Step 4: Simplify right side
    305,274.21x = 36,924,251,125.29
  5. Step 5: Solve for x
    x = 36,924,251,125.29/305,274.21
  6. Step 6: Final answer
    x = 120,954.38

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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.