Home / 258,273.11-356,293.90-172,271.81

Finding the Fourth Proportional to 258,273.11, 356,293.90 and 172,271.81

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Solution

The fourth proportional to 258,273.11, 356,293.90 and 172,271.81 is: 237,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,273.11 : 356,293.90 = 172,271.81 : x
  2. Step 2: Convert to fraction form
    258,273.11/356,293.90 = 172,271.81/x
  3. Step 3: Cross multiply
    258,273.11x = 356,293.90 × 172,271.81
  4. Step 4: Simplify right side
    258,273.11x = 61,379,396,151.03
  5. Step 5: Solve for x
    x = 61,379,396,151.03/258,273.11
  6. Step 6: Final answer
    x = 237,653.06

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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.