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Finding the Fourth Proportional to 467,138.60, 700,708.36 and 130,180.22

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Solution

The fourth proportional to 467,138.60, 700,708.36 and 130,180.22 is: 195,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,138.60 : 700,708.36 = 130,180.22 : x
  2. Step 2: Convert to fraction form
    467,138.60/700,708.36 = 130,180.22/x
  3. Step 3: Cross multiply
    467,138.60x = 700,708.36 × 130,180.22
  4. Step 4: Simplify right side
    467,138.60x = 91,218,368,460.64
  5. Step 5: Solve for x
    x = 91,218,368,460.64/467,138.60
  6. Step 6: Final answer
    x = 195,270.46

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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.