Home / 306,213.32-422,588.44-170,261.12

Finding the Fourth Proportional to 306,213.32, 422,588.44 and 170,261.12

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Solution

The fourth proportional to 306,213.32, 422,588.44 and 170,261.12 is: 234,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,213.32 : 422,588.44 = 170,261.12 : x
  2. Step 2: Convert to fraction form
    306,213.32/422,588.44 = 170,261.12/x
  3. Step 3: Cross multiply
    306,213.32x = 422,588.44 × 170,261.12
  4. Step 4: Simplify right side
    306,213.32x = 71,950,381,093.45
  5. Step 5: Solve for x
    x = 71,950,381,093.45/306,213.32
  6. Step 6: Final answer
    x = 234,968.16

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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.