Home / 308,088.27-425,170.48-172,137.19

Finding the Fourth Proportional to 308,088.27, 425,170.48 and 172,137.19

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Solution

The fourth proportional to 308,088.27, 425,170.48 and 172,137.19 is: 237,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,088.27 : 425,170.48 = 172,137.19 : x
  2. Step 2: Convert to fraction form
    308,088.27/425,170.48 = 172,137.19/x
  3. Step 3: Cross multiply
    308,088.27x = 425,170.48 × 172,137.19
  4. Step 4: Simplify right side
    308,088.27x = 73,187,651,698.15
  5. Step 5: Solve for x
    x = 73,187,651,698.15/308,088.27
  6. Step 6: Final answer
    x = 237,554.16

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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.