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Finding the Fourth Proportional to 370,404.30, 555,548.52 and 117,651.52

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Solution

The fourth proportional to 370,404.30, 555,548.52 and 117,651.52 is: 176,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,404.30 : 555,548.52 = 117,651.52 : x
  2. Step 2: Convert to fraction form
    370,404.30/555,548.52 = 117,651.52/x
  3. Step 3: Cross multiply
    370,404.30x = 555,548.52 × 117,651.52
  4. Step 4: Simplify right side
    370,404.30x = 65,361,127,811.75
  5. Step 5: Solve for x
    x = 65,361,127,811.75/370,404.30
  6. Step 6: Final answer
    x = 176,458.88

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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.