Home / 372,139.86-513,548.19-202,370.34

Finding the Fourth Proportional to 372,139.86, 513,548.19 and 202,370.34

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Solution

The fourth proportional to 372,139.86, 513,548.19 and 202,370.34 is: 279,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,139.86 : 513,548.19 = 202,370.34 : x
  2. Step 2: Convert to fraction form
    372,139.86/513,548.19 = 202,370.34/x
  3. Step 3: Cross multiply
    372,139.86x = 513,548.19 × 202,370.34
  4. Step 4: Simplify right side
    372,139.86x = 103,926,921,816.69
  5. Step 5: Solve for x
    x = 103,926,921,816.69/372,139.86
  6. Step 6: Final answer
    x = 279,268.45

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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.