Home / 262,422.47-393,631.11-120,227.40

Finding the Fourth Proportional to 262,422.47, 393,631.11 and 120,227.40

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Solution

The fourth proportional to 262,422.47, 393,631.11 and 120,227.40 is: 180,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,422.47 : 393,631.11 = 120,227.40 : x
  2. Step 2: Convert to fraction form
    262,422.47/393,631.11 = 120,227.40/x
  3. Step 3: Cross multiply
    262,422.47x = 393,631.11 × 120,227.40
  4. Step 4: Simplify right side
    262,422.47x = 47,325,244,914.41
  5. Step 5: Solve for x
    x = 47,325,244,914.41/262,422.47
  6. Step 6: Final answer
    x = 180,339.91

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1.5x scale

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.