Home / 372,474.66-513,999.09-202,708.38

Finding the Fourth Proportional to 372,474.66, 513,999.09 and 202,708.38

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Solution

The fourth proportional to 372,474.66, 513,999.09 and 202,708.38 is: 279,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,474.66 : 513,999.09 = 202,708.38 : x
  2. Step 2: Convert to fraction form
    372,474.66/513,999.09 = 202,708.38/x
  3. Step 3: Cross multiply
    372,474.66x = 513,999.09 × 202,708.38
  4. Step 4: Simplify right side
    372,474.66x = 104,191,922,855.37
  5. Step 5: Solve for x
    x = 104,191,922,855.37/372,474.66
  6. Step 6: Final answer
    x = 279,728.89

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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.