Home / 286,510.43-395,377.29-159,186.33

Finding the Fourth Proportional to 286,510.43, 395,377.29 and 159,186.33

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Solution

The fourth proportional to 286,510.43, 395,377.29 and 159,186.33 is: 219,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,510.43 : 395,377.29 = 159,186.33 : x
  2. Step 2: Convert to fraction form
    286,510.43/395,377.29 = 159,186.33/x
  3. Step 3: Cross multiply
    286,510.43x = 395,377.29 × 159,186.33
  4. Step 4: Simplify right side
    286,510.43x = 62,938,659,760.45
  5. Step 5: Solve for x
    x = 62,938,659,760.45/286,510.43
  6. Step 6: Final answer
    x = 219,673.19

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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.