Home / 372,727.50-559,178.73-123,409.50

Finding the Fourth Proportional to 372,727.50, 559,178.73 and 123,409.50

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Solution

The fourth proportional to 372,727.50, 559,178.73 and 123,409.50 is: 185,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,727.50 : 559,178.73 = 123,409.50 : x
  2. Step 2: Convert to fraction form
    372,727.50/559,178.73 = 123,409.50/x
  3. Step 3: Cross multiply
    372,727.50x = 559,178.73 × 123,409.50
  4. Step 4: Simplify right side
    372,727.50x = 69,007,967,479.94
  5. Step 5: Solve for x
    x = 69,007,967,479.94/372,727.50
  6. Step 6: Final answer
    x = 185,143.21

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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.