Home / 334,004.20-501,006.30-81,282.68

Finding the Fourth Proportional to 334,004.20, 501,006.30 and 81,282.68

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Solution

The fourth proportional to 334,004.20, 501,006.30 and 81,282.68 is: 121,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,004.20 : 501,006.30 = 81,282.68 : x
  2. Step 2: Convert to fraction form
    334,004.20/501,006.30 = 81,282.68/x
  3. Step 3: Cross multiply
    334,004.20x = 501,006.30 × 81,282.68
  4. Step 4: Simplify right side
    334,004.20x = 40,723,134,760.88
  5. Step 5: Solve for x
    x = 40,723,134,760.88/334,004.20
  6. Step 6: Final answer
    x = 121,924.02

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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.