Home / 372,191.87-513,623.36-202,428.83

Finding the Fourth Proportional to 372,191.87, 513,623.36 and 202,428.83

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Solution

The fourth proportional to 372,191.87, 513,623.36 and 202,428.83 is: 279,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,191.87 : 513,623.36 = 202,428.83 : x
  2. Step 2: Convert to fraction form
    372,191.87/513,623.36 = 202,428.83/x
  3. Step 3: Cross multiply
    372,191.87x = 513,623.36 × 202,428.83
  4. Step 4: Simplify right side
    372,191.87x = 103,972,174,813.33
  5. Step 5: Solve for x
    x = 103,972,174,813.33/372,191.87
  6. Step 6: Final answer
    x = 279,351.01

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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.