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Finding the Fourth Proportional to 247,482.12, 341,348.87 and 227,129.76

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Solution

The fourth proportional to 247,482.12, 341,348.87 and 227,129.76 is: 313,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,482.12 : 341,348.87 = 227,129.76 : x
  2. Step 2: Convert to fraction form
    247,482.12/341,348.87 = 227,129.76/x
  3. Step 3: Cross multiply
    247,482.12x = 341,348.87 × 227,129.76
  4. Step 4: Simplify right side
    247,482.12x = 77,530,485,783.72
  5. Step 5: Solve for x
    x = 77,530,485,783.72/247,482.12
  6. Step 6: Final answer
    x = 313,277.12

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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.