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Finding the Fourth Proportional to 376,911.75, 520,259.40 and 241,310.91

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Solution

The fourth proportional to 376,911.75, 520,259.40 and 241,310.91 is: 333,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,911.75 : 520,259.40 = 241,310.91 : x
  2. Step 2: Convert to fraction form
    376,911.75/520,259.40 = 241,310.91/x
  3. Step 3: Cross multiply
    376,911.75x = 520,259.40 × 241,310.91
  4. Step 4: Simplify right side
    376,911.75x = 125,544,269,250.05
  5. Step 5: Solve for x
    x = 125,544,269,250.05/376,911.75
  6. Step 6: Final answer
    x = 333,086.64

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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.