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Finding the Fourth Proportional to 305,892.48, 422,199.04 and 169,973.04

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Solution

The fourth proportional to 305,892.48, 422,199.04 and 169,973.04 is: 234,600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,892.48 : 422,199.04 = 169,973.04 : x
  2. Step 2: Convert to fraction form
    305,892.48/422,199.04 = 169,973.04/x
  3. Step 3: Cross multiply
    305,892.48x = 422,199.04 × 169,973.04
  4. Step 4: Simplify right side
    305,892.48x = 71,762,454,313.88
  5. Step 5: Solve for x
    x = 71,762,454,313.88/305,892.48
  6. Step 6: Final answer
    x = 234,600.26

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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.