Home / 851,272.61-1,276,913.52-252,238.95

Finding the Fourth Proportional to 851,272.61, 1,276,913.52 and 252,238.95

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Solution

The fourth proportional to 851,272.61, 1,276,913.52 and 252,238.95 is: 378,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,272.61 : 1,276,913.52 = 252,238.95 : x
  2. Step 2: Convert to fraction form
    851,272.61/1,276,913.52 = 252,238.95/x
  3. Step 3: Cross multiply
    851,272.61x = 1,276,913.52 × 252,238.95
  4. Step 4: Simplify right side
    851,272.61x = 322,087,325,525.60
  5. Step 5: Solve for x
    x = 322,087,325,525.60/851,272.61
  6. Step 6: Final answer
    x = 378,359.79

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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.