Home / 728,142.14-1,092,212.27-195,663.18

Finding the Fourth Proportional to 728,142.14, 1,092,212.27 and 195,663.18

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Solution

The fourth proportional to 728,142.14, 1,092,212.27 and 195,663.18 is: 293,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,142.14 : 1,092,212.27 = 195,663.18 : x
  2. Step 2: Convert to fraction form
    728,142.14/1,092,212.27 = 195,663.18/x
  3. Step 3: Cross multiply
    728,142.14x = 1,092,212.27 × 195,663.18
  4. Step 4: Simplify right side
    728,142.14x = 213,705,725,004.90
  5. Step 5: Solve for x
    x = 213,705,725,004.90/728,142.14
  6. Step 6: Final answer
    x = 293,494.52

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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.