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Finding the Fourth Proportional to 334,808.46, 501,785.60 and 156,923.54

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Solution

The fourth proportional to 334,808.46, 501,785.60 and 156,923.54 is: 235,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,808.46 : 501,785.60 = 156,923.54 : x
  2. Step 2: Convert to fraction form
    334,808.46/501,785.60 = 156,923.54/x
  3. Step 3: Cross multiply
    334,808.46x = 501,785.60 × 156,923.54
  4. Step 4: Simplify right side
    334,808.46x = 78,741,972,673.02
  5. Step 5: Solve for x
    x = 78,741,972,673.02/334,808.46
  6. Step 6: Final answer
    x = 235,185.13

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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.