Home / 272,538.76-376,530.08-208,233.06

Finding the Fourth Proportional to 272,538.76, 376,530.08 and 208,233.06

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Solution

The fourth proportional to 272,538.76, 376,530.08 and 208,233.06 is: 287,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,538.76 : 376,530.08 = 208,233.06 : x
  2. Step 2: Convert to fraction form
    272,538.76/376,530.08 = 208,233.06/x
  3. Step 3: Cross multiply
    272,538.76x = 376,530.08 × 208,233.06
  4. Step 4: Simplify right side
    272,538.76x = 78,406,010,740.44
  5. Step 5: Solve for x
    x = 78,406,010,740.44/272,538.76
  6. Step 6: Final answer
    x = 287,687.56

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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.