Home / 386,527.07-580,016.70-161,868.65

Finding the Fourth Proportional to 386,527.07, 580,016.70 and 161,868.65

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Solution

The fourth proportional to 386,527.07, 580,016.70 and 161,868.65 is: 242,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,527.07 : 580,016.70 = 161,868.65 : x
  2. Step 2: Convert to fraction form
    386,527.07/580,016.70 = 161,868.65/x
  3. Step 3: Cross multiply
    386,527.07x = 580,016.70 × 161,868.65
  4. Step 4: Simplify right side
    386,527.07x = 93,886,517,306.37
  5. Step 5: Solve for x
    x = 93,886,517,306.37/386,527.07
  6. Step 6: Final answer
    x = 242,897.65

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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.