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Finding the Fourth Proportional to 251,740.82, 377,500.44 and 133,384.88

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Solution

The fourth proportional to 251,740.82, 377,500.44 and 133,384.88 is: 200,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,740.82 : 377,500.44 = 133,384.88 : x
  2. Step 2: Convert to fraction form
    251,740.82/377,500.44 = 133,384.88/x
  3. Step 3: Cross multiply
    251,740.82x = 377,500.44 × 133,384.88
  4. Step 4: Simplify right side
    251,740.82x = 50,352,850,889.35
  5. Step 5: Solve for x
    x = 50,352,850,889.35/251,740.82
  6. Step 6: Final answer
    x = 200,018.62

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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.