Home / 320,362.20-442,092.06-177,118.56

Finding the Fourth Proportional to 320,362.20, 442,092.06 and 177,118.56

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Solution

The fourth proportional to 320,362.20, 442,092.06 and 177,118.56 is: 244,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,362.20 : 442,092.06 = 177,118.56 : x
  2. Step 2: Convert to fraction form
    320,362.20/442,092.06 = 177,118.56/x
  3. Step 3: Cross multiply
    320,362.20x = 442,092.06 × 177,118.56
  4. Step 4: Simplify right side
    320,362.20x = 78,302,709,054.63
  5. Step 5: Solve for x
    x = 78,302,709,054.63/320,362.20
  6. Step 6: Final answer
    x = 244,419.31

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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.