Home / 279,774.47-386,148.26-165,010.23

Finding the Fourth Proportional to 279,774.47, 386,148.26 and 165,010.23

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Solution

The fourth proportional to 279,774.47, 386,148.26 and 165,010.23 is: 227,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,774.47 : 386,148.26 = 165,010.23 : x
  2. Step 2: Convert to fraction form
    279,774.47/386,148.26 = 165,010.23/x
  3. Step 3: Cross multiply
    279,774.47x = 386,148.26 × 165,010.23
  4. Step 4: Simplify right side
    279,774.47x = 63,718,413,609.23
  5. Step 5: Solve for x
    x = 63,718,413,609.23/279,774.47
  6. Step 6: Final answer
    x = 227,749.20

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1.5x scale

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.