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Finding the Fourth Proportional to 370,007.42, 510,610.03 and 208,863.86

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Solution

The fourth proportional to 370,007.42, 510,610.03 and 208,863.86 is: 288,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,007.42 : 510,610.03 = 208,863.86 : x
  2. Step 2: Convert to fraction form
    370,007.42/510,610.03 = 208,863.86/x
  3. Step 3: Cross multiply
    370,007.42x = 510,610.03 × 208,863.86
  4. Step 4: Simplify right side
    370,007.42x = 106,647,978,745.31
  5. Step 5: Solve for x
    x = 106,647,978,745.31/370,007.42
  6. Step 6: Final answer
    x = 288,232.00

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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.