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Finding the Fourth Proportional to 180,006.70, 270,010.05 and 151,138.30

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Solution

The fourth proportional to 180,006.70, 270,010.05 and 151,138.30 is: 226,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,006.70 : 270,010.05 = 151,138.30 : x
  2. Step 2: Convert to fraction form
    180,006.70/270,010.05 = 151,138.30/x
  3. Step 3: Cross multiply
    180,006.70x = 270,010.05 × 151,138.30
  4. Step 4: Simplify right side
    180,006.70x = 40,808,859,939.92
  5. Step 5: Solve for x
    x = 40,808,859,939.92/180,006.70
  6. Step 6: Final answer
    x = 226,707.45

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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.