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Finding the Fourth Proportional to 180,483.62, 270,817.76 and 73,945.13

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Solution

The fourth proportional to 180,483.62, 270,817.76 and 73,945.13 is: 110,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,483.62 : 270,817.76 = 73,945.13 : x
  2. Step 2: Convert to fraction form
    180,483.62/270,817.76 = 73,945.13/x
  3. Step 3: Cross multiply
    180,483.62x = 270,817.76 × 73,945.13
  4. Step 4: Simplify right side
    180,483.62x = 20,025,653,300.28
  5. Step 5: Solve for x
    x = 20,025,653,300.28/180,483.62
  6. Step 6: Final answer
    x = 110,955.52

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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.