Home / 851,273.61-1,276,915.02-252,239.95

Finding the Fourth Proportional to 851,273.61, 1,276,915.02 and 252,239.95

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Solution

The fourth proportional to 851,273.61, 1,276,915.02 and 252,239.95 is: 378,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,273.61 : 1,276,915.02 = 252,239.95 : x
  2. Step 2: Convert to fraction form
    851,273.61/1,276,915.02 = 252,239.95/x
  3. Step 3: Cross multiply
    851,273.61x = 1,276,915.02 × 252,239.95
  4. Step 4: Simplify right side
    851,273.61x = 322,088,980,799.05
  5. Step 5: Solve for x
    x = 322,088,980,799.05/851,273.61
  6. Step 6: Final answer
    x = 378,361.29

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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.