Home / 320,669.42-442,536.82-177,427.13

Finding the Fourth Proportional to 320,669.42, 442,536.82 and 177,427.13

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Solution

The fourth proportional to 320,669.42, 442,536.82 and 177,427.13 is: 244,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,669.42 : 442,536.82 = 177,427.13 : x
  2. Step 2: Convert to fraction form
    320,669.42/442,536.82 = 177,427.13/x
  3. Step 3: Cross multiply
    320,669.42x = 442,536.82 × 177,427.13
  4. Step 4: Simplify right side
    320,669.42x = 78,518,035,235.67
  5. Step 5: Solve for x
    x = 78,518,035,235.67/320,669.42
  6. Step 6: Final answer
    x = 244,856.64

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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.