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Finding the Fourth Proportional to 360,102.55, 540,269.17 and 252,144.33

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Solution

The fourth proportional to 360,102.55, 540,269.17 and 252,144.33 is: 378,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,102.55 : 540,269.17 = 252,144.33 : x
  2. Step 2: Convert to fraction form
    360,102.55/540,269.17 = 252,144.33/x
  3. Step 3: Cross multiply
    360,102.55x = 540,269.17 × 252,144.33
  4. Step 4: Simplify right side
    360,102.55x = 136,225,807,889.31
  5. Step 5: Solve for x
    x = 136,225,807,889.31/360,102.55
  6. Step 6: Final answer
    x = 378,297.26

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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.