Home / 247,464.03-341,500.64-134,286.78

Finding the Fourth Proportional to 247,464.03, 341,500.64 and 134,286.78

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Solution

The fourth proportional to 247,464.03, 341,500.64 and 134,286.78 is: 185,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,464.03 : 341,500.64 = 134,286.78 : x
  2. Step 2: Convert to fraction form
    247,464.03/341,500.64 = 134,286.78/x
  3. Step 3: Cross multiply
    247,464.03x = 341,500.64 × 134,286.78
  4. Step 4: Simplify right side
    247,464.03x = 45,859,020,642.11
  5. Step 5: Solve for x
    x = 45,859,020,642.11/247,464.03
  6. Step 6: Final answer
    x = 185,315.90

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1.5x scale

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.