Home / 295,298.20-442,947.30-279,746.20

Finding the Fourth Proportional to 295,298.20, 442,947.30 and 279,746.20

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Solution

The fourth proportional to 295,298.20, 442,947.30 and 279,746.20 is: 419,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,298.20 : 442,947.30 = 279,746.20 : x
  2. Step 2: Convert to fraction form
    295,298.20/442,947.30 = 279,746.20/x
  3. Step 3: Cross multiply
    295,298.20x = 442,947.30 × 279,746.20
  4. Step 4: Simplify right side
    295,298.20x = 123,912,823,975.26
  5. Step 5: Solve for x
    x = 123,912,823,975.26/295,298.20
  6. Step 6: Final answer
    x = 419,619.30

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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.