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Finding the Fourth Proportional to 333,063.52, 499,152.39 and 288,481.52

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Solution

The fourth proportional to 333,063.52, 499,152.39 and 288,481.52 is: 432,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,063.52 : 499,152.39 = 288,481.52 : x
  2. Step 2: Convert to fraction form
    333,063.52/499,152.39 = 288,481.52/x
  3. Step 3: Cross multiply
    333,063.52x = 499,152.39 × 288,481.52
  4. Step 4: Simplify right side
    333,063.52x = 143,996,240,178.83
  5. Step 5: Solve for x
    x = 143,996,240,178.83/333,063.52
  6. Step 6: Final answer
    x = 432,338.67

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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.