Home / 262,169.44-393,262.86-72,631.71

Finding the Fourth Proportional to 262,169.44, 393,262.86 and 72,631.71

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Solution

The fourth proportional to 262,169.44, 393,262.86 and 72,631.71 is: 108,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,169.44 : 393,262.86 = 72,631.71 : x
  2. Step 2: Convert to fraction form
    262,169.44/393,262.86 = 72,631.71/x
  3. Step 3: Cross multiply
    262,169.44x = 393,262.86 × 72,631.71
  4. Step 4: Simplify right side
    262,169.44x = 28,563,354,001.29
  5. Step 5: Solve for x
    x = 28,563,354,001.29/262,169.44
  6. Step 6: Final answer
    x = 108,949.98

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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.