Home / 345,625.56-477,097.02-270,198.36

Finding the Fourth Proportional to 345,625.56, 477,097.02 and 270,198.36

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Solution

The fourth proportional to 345,625.56, 477,097.02 and 270,198.36 is: 372,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,625.56 : 477,097.02 = 270,198.36 : x
  2. Step 2: Convert to fraction form
    345,625.56/477,097.02 = 270,198.36/x
  3. Step 3: Cross multiply
    345,625.56x = 477,097.02 × 270,198.36
  4. Step 4: Simplify right side
    345,625.56x = 128,910,832,364.89
  5. Step 5: Solve for x
    x = 128,910,832,364.89/345,625.56
  6. Step 6: Final answer
    x = 372,978.30

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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.