Home / 286,360.31-395,177.23-159,047.75

Finding the Fourth Proportional to 286,360.31, 395,177.23 and 159,047.75

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Solution

The fourth proportional to 286,360.31, 395,177.23 and 159,047.75 is: 219,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,360.31 : 395,177.23 = 159,047.75 : x
  2. Step 2: Convert to fraction form
    286,360.31/395,177.23 = 159,047.75/x
  3. Step 3: Cross multiply
    286,360.31x = 395,177.23 × 159,047.75
  4. Step 4: Simplify right side
    286,360.31x = 62,852,050,469.49
  5. Step 5: Solve for x
    x = 62,852,050,469.49/286,360.31
  6. Step 6: Final answer
    x = 219,485.90

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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.