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Finding the Fourth Proportional to 288,696.02, 433,154.96 and 203,388.89

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Solution

The fourth proportional to 288,696.02, 433,154.96 and 203,388.89 is: 305,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,696.02 : 433,154.96 = 203,388.89 : x
  2. Step 2: Convert to fraction form
    288,696.02/433,154.96 = 203,388.89/x
  3. Step 3: Cross multiply
    288,696.02x = 433,154.96 × 203,388.89
  4. Step 4: Simplify right side
    288,696.02x = 88,098,903,329.68
  5. Step 5: Solve for x
    x = 88,098,903,329.68/288,696.02
  6. Step 6: Final answer
    x = 305,161.48

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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.