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Finding the Fourth Proportional to 334,074.52, 501,140.92 and 84,756.52

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Solution

The fourth proportional to 334,074.52, 501,140.92 and 84,756.52 is: 127,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,074.52 : 501,140.92 = 84,756.52 : x
  2. Step 2: Convert to fraction form
    334,074.52/501,140.92 = 84,756.52/x
  3. Step 3: Cross multiply
    334,074.52x = 501,140.92 × 84,756.52
  4. Step 4: Simplify right side
    334,074.52x = 42,474,960,408.80
  5. Step 5: Solve for x
    x = 42,474,960,408.80/334,074.52
  6. Step 6: Final answer
    x = 127,142.17

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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.