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Finding the Fourth Proportional to 383,662, 529,521.96 and 240,544.72

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Solution

The fourth proportional to 383,662, 529,521.96 and 240,544.72 is: 331,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,662 : 529,521.96 = 240,544.72 : x
  2. Step 2: Convert to fraction form
    383,662/529,521.96 = 240,544.72/x
  3. Step 3: Cross multiply
    383,662x = 529,521.96 × 240,544.72
  4. Step 4: Simplify right side
    383,662x = 127,373,711,602.05
  5. Step 5: Solve for x
    x = 127,373,711,602.05/383,662
  6. Step 6: Final answer
    x = 331,994.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.