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Finding the Fourth Proportional to 501,383.34, 691,914.35 and 271,940.94

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Solution

The fourth proportional to 501,383.34, 691,914.35 and 271,940.94 is: 375,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,383.34 : 691,914.35 = 271,940.94 : x
  2. Step 2: Convert to fraction form
    501,383.34/691,914.35 = 271,940.94/x
  3. Step 3: Cross multiply
    501,383.34x = 691,914.35 × 271,940.94
  4. Step 4: Simplify right side
    501,383.34x = 188,159,839,418.34
  5. Step 5: Solve for x
    x = 188,159,839,418.34/501,383.34
  6. Step 6: Final answer
    x = 375,281.40

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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.