Home / 290,985.48-401,432.76-177,741

Finding the Fourth Proportional to 290,985.48, 401,432.76 and 177,741

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Solution

The fourth proportional to 290,985.48, 401,432.76 and 177,741 is: 245,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,985.48 : 401,432.76 = 177,741 : x
  2. Step 2: Convert to fraction form
    290,985.48/401,432.76 = 177,741/x
  3. Step 3: Cross multiply
    290,985.48x = 401,432.76 × 177,741
  4. Step 4: Simplify right side
    290,985.48x = 71,351,060,195.16
  5. Step 5: Solve for x
    x = 71,351,060,195.16/290,985.48
  6. Step 6: Final answer
    x = 245,204.88

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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.