Home / 320,968.73-442,933.67-173,792.90

Finding the Fourth Proportional to 320,968.73, 442,933.67 and 173,792.90

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Solution

The fourth proportional to 320,968.73, 442,933.67 and 173,792.90 is: 239,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,968.73 : 442,933.67 = 173,792.90 : x
  2. Step 2: Convert to fraction form
    320,968.73/442,933.67 = 173,792.90/x
  3. Step 3: Cross multiply
    320,968.73x = 442,933.67 × 173,792.90
  4. Step 4: Simplify right side
    320,968.73x = 76,978,725,475.13
  5. Step 5: Solve for x
    x = 76,978,725,475.13/320,968.73
  6. Step 6: Final answer
    x = 239,832.47

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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.