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Finding the Fourth Proportional to 180,394.94, 270,685.80 and 130,883.70

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Solution

The fourth proportional to 180,394.94, 270,685.80 and 130,883.70 is: 196,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,394.94 : 270,685.80 = 130,883.70 : x
  2. Step 2: Convert to fraction form
    180,394.94/270,685.80 = 130,883.70/x
  3. Step 3: Cross multiply
    180,394.94x = 270,685.80 × 130,883.70
  4. Step 4: Simplify right side
    180,394.94x = 35,428,359,041.46
  5. Step 5: Solve for x
    x = 35,428,359,041.46/180,394.94
  6. Step 6: Final answer
    x = 196,393.31

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1.5x scale

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.