Home / 518,140.77-777,238.89-163,182.43

Finding the Fourth Proportional to 518,140.77, 777,238.89 and 163,182.43

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Solution

The fourth proportional to 518,140.77, 777,238.89 and 163,182.43 is: 244,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,140.77 : 777,238.89 = 163,182.43 : x
  2. Step 2: Convert to fraction form
    518,140.77/777,238.89 = 163,182.43/x
  3. Step 3: Cross multiply
    518,140.77x = 777,238.89 × 163,182.43
  4. Step 4: Simplify right side
    518,140.77x = 126,831,730,760.70
  5. Step 5: Solve for x
    x = 126,831,730,760.70/518,140.77
  6. Step 6: Final answer
    x = 244,782.38

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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.