Home / 298,863.36-448,295.04-172,696.32

Finding the Fourth Proportional to 298,863.36, 448,295.04 and 172,696.32

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Solution

The fourth proportional to 298,863.36, 448,295.04 and 172,696.32 is: 259,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,863.36 : 448,295.04 = 172,696.32 : x
  2. Step 2: Convert to fraction form
    298,863.36/448,295.04 = 172,696.32/x
  3. Step 3: Cross multiply
    298,863.36x = 448,295.04 × 172,696.32
  4. Step 4: Simplify right side
    298,863.36x = 77,418,903,682.25
  5. Step 5: Solve for x
    x = 77,418,903,682.25/298,863.36
  6. Step 6: Final answer
    x = 259,044.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.