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Finding the Fourth Proportional to 128,337.92, 192,492.16 and 33,577.25

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Solution

The fourth proportional to 128,337.92, 192,492.16 and 33,577.25 is: 50,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,337.92 : 192,492.16 = 33,577.25 : x
  2. Step 2: Convert to fraction form
    128,337.92/192,492.16 = 33,577.25/x
  3. Step 3: Cross multiply
    128,337.92x = 192,492.16 × 33,577.25
  4. Step 4: Simplify right side
    128,337.92x = 6,463,357,604.60
  5. Step 5: Solve for x
    x = 6,463,357,604.60/128,337.92
  6. Step 6: Final answer
    x = 50,362.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.