Home / 288,575.14-398,273.25-166,065

Finding the Fourth Proportional to 288,575.14, 398,273.25 and 166,065

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Solution

The fourth proportional to 288,575.14, 398,273.25 and 166,065 is: 229,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,575.14 : 398,273.25 = 166,065 : x
  2. Step 2: Convert to fraction form
    288,575.14/398,273.25 = 166,065/x
  3. Step 3: Cross multiply
    288,575.14x = 398,273.25 × 166,065
  4. Step 4: Simplify right side
    288,575.14x = 66,139,246,430.93
  5. Step 5: Solve for x
    x = 66,139,246,430.93/288,575.14
  6. Step 6: Final answer
    x = 229,192.46

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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.