Home / 320,350.64-442,066.21-177,102.14

Finding the Fourth Proportional to 320,350.64, 442,066.21 and 177,102.14

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Solution

The fourth proportional to 320,350.64, 442,066.21 and 177,102.14 is: 244,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,350.64 : 442,066.21 = 177,102.14 : x
  2. Step 2: Convert to fraction form
    320,350.64/442,066.21 = 177,102.14/x
  3. Step 3: Cross multiply
    320,350.64x = 442,066.21 × 177,102.14
  4. Step 4: Simplify right side
    320,350.64x = 78,290,869,159.60
  5. Step 5: Solve for x
    x = 78,290,869,159.60/320,350.64
  6. Step 6: Final answer
    x = 244,391.18

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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.