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Finding the Fourth Proportional to 513,049.55, 769,740.37 and 246,775.41

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Solution

The fourth proportional to 513,049.55, 769,740.37 and 246,775.41 is: 370,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,049.55 : 769,740.37 = 246,775.41 : x
  2. Step 2: Convert to fraction form
    513,049.55/769,740.37 = 246,775.41/x
  3. Step 3: Cross multiply
    513,049.55x = 769,740.37 × 246,775.41
  4. Step 4: Simplify right side
    513,049.55x = 189,952,994,783.36
  5. Step 5: Solve for x
    x = 189,952,994,783.36/513,049.55
  6. Step 6: Final answer
    x = 370,242.98

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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.