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Finding the Fourth Proportional to 197,129.78, 295,694.65 and 47,370.07

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Solution

The fourth proportional to 197,129.78, 295,694.65 and 47,370.07 is: 71,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,129.78 : 295,694.65 = 47,370.07 : x
  2. Step 2: Convert to fraction form
    197,129.78/295,694.65 = 47,370.07/x
  3. Step 3: Cross multiply
    197,129.78x = 295,694.65 × 47,370.07
  4. Step 4: Simplify right side
    197,129.78x = 14,007,077,263.14
  5. Step 5: Solve for x
    x = 14,007,077,263.14/197,129.78
  6. Step 6: Final answer
    x = 71,055.10

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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.