Home / 230,804.47-318,678.89-149,181.02

Finding the Fourth Proportional to 230,804.47, 318,678.89 and 149,181.02

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Solution

The fourth proportional to 230,804.47, 318,678.89 and 149,181.02 is: 205,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,804.47 : 318,678.89 = 149,181.02 : x
  2. Step 2: Convert to fraction form
    230,804.47/318,678.89 = 149,181.02/x
  3. Step 3: Cross multiply
    230,804.47x = 318,678.89 × 149,181.02
  4. Step 4: Simplify right side
    230,804.47x = 47,540,841,116.76
  5. Step 5: Solve for x
    x = 47,540,841,116.76/230,804.47
  6. Step 6: Final answer
    x = 205,978.86

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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.