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Finding the Fourth Proportional to 303,242.60, 418,469.59 and 167,289.57

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Solution

The fourth proportional to 303,242.60, 418,469.59 and 167,289.57 is: 230,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,242.60 : 418,469.59 = 167,289.57 : x
  2. Step 2: Convert to fraction form
    303,242.60/418,469.59 = 167,289.57/x
  3. Step 3: Cross multiply
    303,242.60x = 418,469.59 × 167,289.57
  4. Step 4: Simplify right side
    303,242.60x = 70,005,597,769.18
  5. Step 5: Solve for x
    x = 70,005,597,769.18/303,242.60
  6. Step 6: Final answer
    x = 230,856.74

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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.