Home / 242,686.20-364,029.30-191,947.80

Finding the Fourth Proportional to 242,686.20, 364,029.30 and 191,947.80

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Solution

The fourth proportional to 242,686.20, 364,029.30 and 191,947.80 is: 287,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,686.20 : 364,029.30 = 191,947.80 : x
  2. Step 2: Convert to fraction form
    242,686.20/364,029.30 = 191,947.80/x
  3. Step 3: Cross multiply
    242,686.20x = 364,029.30 × 191,947.80
  4. Step 4: Simplify right side
    242,686.20x = 69,874,623,270.54
  5. Step 5: Solve for x
    x = 69,874,623,270.54/242,686.20
  6. Step 6: Final answer
    x = 287,921.70

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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.