Home / 295,215.70-442,823.55-272,406.10

Finding the Fourth Proportional to 295,215.70, 442,823.55 and 272,406.10

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Solution

The fourth proportional to 295,215.70, 442,823.55 and 272,406.10 is: 408,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,215.70 : 442,823.55 = 272,406.10 : x
  2. Step 2: Convert to fraction form
    295,215.70/442,823.55 = 272,406.10/x
  3. Step 3: Cross multiply
    295,215.70x = 442,823.55 × 272,406.10
  4. Step 4: Simplify right side
    295,215.70x = 120,627,836,243.66
  5. Step 5: Solve for x
    x = 120,627,836,243.66/295,215.70
  6. Step 6: Final answer
    x = 408,609.15

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1.5x scale

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.