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Finding the Fourth Proportional to 227,053.32, 313,329.65 and 131,568.90

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Solution

The fourth proportional to 227,053.32, 313,329.65 and 131,568.90 is: 181,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,053.32 : 313,329.65 = 131,568.90 : x
  2. Step 2: Convert to fraction form
    227,053.32/313,329.65 = 131,568.90/x
  3. Step 3: Cross multiply
    227,053.32x = 313,329.65 × 131,568.90
  4. Step 4: Simplify right side
    227,053.32x = 41,224,436,730.04
  5. Step 5: Solve for x
    x = 41,224,436,730.04/227,053.32
  6. Step 6: Final answer
    x = 181,562.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.