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Finding the Fourth Proportional to 536,040.80, 803,769.60 and 220,529.60

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Solution

The fourth proportional to 536,040.80, 803,769.60 and 220,529.60 is: 330,674.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,040.80 : 803,769.60 = 220,529.60 : x
  2. Step 2: Convert to fraction form
    536,040.80/803,769.60 = 220,529.60/x
  3. Step 3: Cross multiply
    536,040.80x = 803,769.60 × 220,529.60
  4. Step 4: Simplify right side
    536,040.80x = 177,254,988,380.16
  5. Step 5: Solve for x
    x = 177,254,988,380.16/536,040.80
  6. Step 6: Final answer
    x = 330,674.43

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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.