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Finding the Fourth Proportional to 180,038.44, 270,050.70 and 45,102.28

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Solution

The fourth proportional to 180,038.44, 270,050.70 and 45,102.28 is: 67,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,038.44 : 270,050.70 = 45,102.28 : x
  2. Step 2: Convert to fraction form
    180,038.44/270,050.70 = 45,102.28/x
  3. Step 3: Cross multiply
    180,038.44x = 270,050.70 × 45,102.28
  4. Step 4: Simplify right side
    180,038.44x = 12,179,902,285.60
  5. Step 5: Solve for x
    x = 12,179,902,285.60/180,038.44
  6. Step 6: Final answer
    x = 67,651.68

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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.