Home / 306,131.43-422,466.41-168,316.17

Finding the Fourth Proportional to 306,131.43, 422,466.41 and 168,316.17

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Solution

The fourth proportional to 306,131.43, 422,466.41 and 168,316.17 is: 232,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,131.43 : 422,466.41 = 168,316.17 : x
  2. Step 2: Convert to fraction form
    306,131.43/422,466.41 = 168,316.17/x
  3. Step 3: Cross multiply
    306,131.43x = 422,466.41 × 168,316.17
  4. Step 4: Simplify right side
    306,131.43x = 71,107,925,972.52
  5. Step 5: Solve for x
    x = 71,107,925,972.52/306,131.43
  6. Step 6: Final answer
    x = 232,279.08

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1.5x scale

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.