Home / 306,223.31-422,577.11-168,401.08

Finding the Fourth Proportional to 306,223.31, 422,577.11 and 168,401.08

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Solution

The fourth proportional to 306,223.31, 422,577.11 and 168,401.08 is: 232,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,223.31 : 422,577.11 = 168,401.08 : x
  2. Step 2: Convert to fraction form
    306,223.31/422,577.11 = 168,401.08/x
  3. Step 3: Cross multiply
    306,223.31x = 422,577.11 × 168,401.08
  4. Step 4: Simplify right side
    306,223.31x = 71,162,441,707.28
  5. Step 5: Solve for x
    x = 71,162,441,707.28/306,223.31
  6. Step 6: Final answer
    x = 232,387.41

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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.