Home / 293,480.10-405,098.73-172,615.14

Finding the Fourth Proportional to 293,480.10, 405,098.73 and 172,615.14

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Solution

The fourth proportional to 293,480.10, 405,098.73 and 172,615.14 is: 238,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,480.10 : 405,098.73 = 172,615.14 : x
  2. Step 2: Convert to fraction form
    293,480.10/405,098.73 = 172,615.14/x
  3. Step 3: Cross multiply
    293,480.10x = 405,098.73 × 172,615.14
  4. Step 4: Simplify right side
    293,480.10x = 69,926,173,992.77
  5. Step 5: Solve for x
    x = 69,926,173,992.77/293,480.10
  6. Step 6: Final answer
    x = 238,265.47

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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.