Home / 295,719.80-443,579.70-245,856.20

Finding the Fourth Proportional to 295,719.80, 443,579.70 and 245,856.20

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Solution

The fourth proportional to 295,719.80, 443,579.70 and 245,856.20 is: 368,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,719.80 : 443,579.70 = 245,856.20 : x
  2. Step 2: Convert to fraction form
    295,719.80/443,579.70 = 245,856.20/x
  3. Step 3: Cross multiply
    295,719.80x = 443,579.70 × 245,856.20
  4. Step 4: Simplify right side
    295,719.80x = 109,056,819,439.14
  5. Step 5: Solve for x
    x = 109,056,819,439.14/295,719.80
  6. Step 6: Final answer
    x = 368,784.30

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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.