Home / 270,889.02-372,971.52-238,603.50

Finding the Fourth Proportional to 270,889.02, 372,971.52 and 238,603.50

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Solution

The fourth proportional to 270,889.02, 372,971.52 and 238,603.50 is: 328,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,889.02 : 372,971.52 = 238,603.50 : x
  2. Step 2: Convert to fraction form
    270,889.02/372,971.52 = 238,603.50/x
  3. Step 3: Cross multiply
    270,889.02x = 372,971.52 × 238,603.50
  4. Step 4: Simplify right side
    270,889.02x = 88,992,310,072.32
  5. Step 5: Solve for x
    x = 88,992,310,072.32/270,889.02
  6. Step 6: Final answer
    x = 328,519.44

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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.