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Finding the Fourth Proportional to 225,431.43, 311,041.98 and 133,504.29

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Solution

The fourth proportional to 225,431.43, 311,041.98 and 133,504.29 is: 184,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,431.43 : 311,041.98 = 133,504.29 : x
  2. Step 2: Convert to fraction form
    225,431.43/311,041.98 = 133,504.29/x
  3. Step 3: Cross multiply
    225,431.43x = 311,041.98 × 133,504.29
  4. Step 4: Simplify right side
    225,431.43x = 41,525,438,700.09
  5. Step 5: Solve for x
    x = 41,525,438,700.09/225,431.43
  6. Step 6: Final answer
    x = 184,204.30

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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.