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Finding the Fourth Proportional to 333,748.84, 500,761.50 and 134,210.56

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Solution

The fourth proportional to 333,748.84, 500,761.50 and 134,210.56 is: 201,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,748.84 : 500,761.50 = 134,210.56 : x
  2. Step 2: Convert to fraction form
    333,748.84/500,761.50 = 134,210.56/x
  3. Step 3: Cross multiply
    333,748.84x = 500,761.50 × 134,210.56
  4. Step 4: Simplify right side
    333,748.84x = 67,207,481,341.44
  5. Step 5: Solve for x
    x = 67,207,481,341.44/333,748.84
  6. Step 6: Final answer
    x = 201,371.43

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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.