Home / 372,035.78-513,412.98-202,273.52

Finding the Fourth Proportional to 372,035.78, 513,412.98 and 202,273.52

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Solution

The fourth proportional to 372,035.78, 513,412.98 and 202,273.52 is: 279,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,035.78 : 513,412.98 = 202,273.52 : x
  2. Step 2: Convert to fraction form
    372,035.78/513,412.98 = 202,273.52/x
  3. Step 3: Cross multiply
    372,035.78x = 513,412.98 × 202,273.52
  4. Step 4: Simplify right side
    372,035.78x = 103,849,850,678.29
  5. Step 5: Solve for x
    x = 103,849,850,678.29/372,035.78
  6. Step 6: Final answer
    x = 279,139.42

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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.