Home / 262,267.20-392,947.20-121,737.60

Finding the Fourth Proportional to 262,267.20, 392,947.20 and 121,737.60

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Solution

The fourth proportional to 262,267.20, 392,947.20 and 121,737.60 is: 182,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,267.20 : 392,947.20 = 121,737.60 : x
  2. Step 2: Convert to fraction form
    262,267.20/392,947.20 = 121,737.60/x
  3. Step 3: Cross multiply
    262,267.20x = 392,947.20 × 121,737.60
  4. Step 4: Simplify right side
    262,267.20x = 47,836,449,054.72
  5. Step 5: Solve for x
    x = 47,836,449,054.72/262,267.20
  6. Step 6: Final answer
    x = 182,395.85

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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.