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Finding the Fourth Proportional to 542,707.44, 814,100.04 and 143,344.24

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Solution

The fourth proportional to 542,707.44, 814,100.04 and 143,344.24 is: 215,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,707.44 : 814,100.04 = 143,344.24 : x
  2. Step 2: Convert to fraction form
    542,707.44/814,100.04 = 143,344.24/x
  3. Step 3: Cross multiply
    542,707.44x = 814,100.04 × 143,344.24
  4. Step 4: Simplify right side
    542,707.44x = 116,696,551,517.77
  5. Step 5: Solve for x
    x = 116,696,551,517.77/542,707.44
  6. Step 6: Final answer
    x = 215,026.63

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1.5x scale

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.