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Finding the Fourth Proportional to 334,111.80, 501,167.70 and 134,527.80

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Solution

The fourth proportional to 334,111.80, 501,167.70 and 134,527.80 is: 201,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,111.80 : 501,167.70 = 134,527.80 : x
  2. Step 2: Convert to fraction form
    334,111.80/501,167.70 = 134,527.80/x
  3. Step 3: Cross multiply
    334,111.80x = 501,167.70 × 134,527.80
  4. Step 4: Simplify right side
    334,111.80x = 67,420,988,112.06
  5. Step 5: Solve for x
    x = 67,420,988,112.06/334,111.80
  6. Step 6: Final answer
    x = 201,791.70

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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.