Home / 286,660.35-395,596.02-157,604.28

Finding the Fourth Proportional to 286,660.35, 395,596.02 and 157,604.28

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Solution

The fourth proportional to 286,660.35, 395,596.02 and 157,604.28 is: 217,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,660.35 : 395,596.02 = 157,604.28 : x
  2. Step 2: Convert to fraction form
    286,660.35/395,596.02 = 157,604.28/x
  3. Step 3: Cross multiply
    286,660.35x = 395,596.02 × 157,604.28
  4. Step 4: Simplify right side
    286,660.35x = 62,347,625,902.97
  5. Step 5: Solve for x
    x = 62,347,625,902.97/286,660.35
  6. Step 6: Final answer
    x = 217,496.51

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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.