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Finding the Fourth Proportional to 225,084.65, 310,604.09 and 123,089.85

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Solution

The fourth proportional to 225,084.65, 310,604.09 and 123,089.85 is: 169,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,084.65 : 310,604.09 = 123,089.85 : x
  2. Step 2: Convert to fraction form
    225,084.65/310,604.09 = 123,089.85/x
  3. Step 3: Cross multiply
    225,084.65x = 310,604.09 × 123,089.85
  4. Step 4: Simplify right side
    225,084.65x = 38,232,210,232.04
  5. Step 5: Solve for x
    x = 38,232,210,232.04/225,084.65
  6. Step 6: Final answer
    x = 169,857.03

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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.