Home / 290,180.48-434,933.76-165,608.96

Finding the Fourth Proportional to 290,180.48, 434,933.76 and 165,608.96

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Solution

The fourth proportional to 290,180.48, 434,933.76 and 165,608.96 is: 248,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,180.48 : 434,933.76 = 165,608.96 : x
  2. Step 2: Convert to fraction form
    290,180.48/434,933.76 = 165,608.96/x
  3. Step 3: Cross multiply
    290,180.48x = 434,933.76 × 165,608.96
  4. Step 4: Simplify right side
    290,180.48x = 72,028,927,662.49
  5. Step 5: Solve for x
    x = 72,028,927,662.49/290,180.48
  6. Step 6: Final answer
    x = 248,221.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.