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Finding the Fourth Proportional to 247,998.02, 342,222.80 and 134,819.78

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Solution

The fourth proportional to 247,998.02, 342,222.80 and 134,819.78 is: 186,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,998.02 : 342,222.80 = 134,819.78 : x
  2. Step 2: Convert to fraction form
    247,998.02/342,222.80 = 134,819.78/x
  3. Step 3: Cross multiply
    247,998.02x = 342,222.80 × 134,819.78
  4. Step 4: Simplify right side
    247,998.02x = 46,138,402,606.98
  5. Step 5: Solve for x
    x = 46,138,402,606.98/247,998.02
  6. Step 6: Final answer
    x = 186,043.43

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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.