Home / 262,238.20-393,327.06-72,712.60

Finding the Fourth Proportional to 262,238.20, 393,327.06 and 72,712.60

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Solution

The fourth proportional to 262,238.20, 393,327.06 and 72,712.60 is: 109,060.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,238.20 : 393,327.06 = 72,712.60 : x
  2. Step 2: Convert to fraction form
    262,238.20/393,327.06 = 72,712.60/x
  3. Step 3: Cross multiply
    262,238.20x = 393,327.06 × 72,712.60
  4. Step 4: Simplify right side
    262,238.20x = 28,599,833,182.96
  5. Step 5: Solve for x
    x = 28,599,833,182.96/262,238.20
  6. Step 6: Final answer
    x = 109,060.52

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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.