Home / 384,378.64-576,570.04-252,096.60

Finding the Fourth Proportional to 384,378.64, 576,570.04 and 252,096.60

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Solution

The fourth proportional to 384,378.64, 576,570.04 and 252,096.60 is: 378,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,378.64 : 576,570.04 = 252,096.60 : x
  2. Step 2: Convert to fraction form
    384,378.64/576,570.04 = 252,096.60/x
  3. Step 3: Cross multiply
    384,378.64x = 576,570.04 × 252,096.60
  4. Step 4: Simplify right side
    384,378.64x = 145,351,346,745.86
  5. Step 5: Solve for x
    x = 145,351,346,745.86/384,378.64
  6. Step 6: Final answer
    x = 378,146.26

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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.