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Finding the Fourth Proportional to 154,323.70, 231,485.55 and 49,153.30

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Solution

The fourth proportional to 154,323.70, 231,485.55 and 49,153.30 is: 73,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,323.70 : 231,485.55 = 49,153.30 : x
  2. Step 2: Convert to fraction form
    154,323.70/231,485.55 = 49,153.30/x
  3. Step 3: Cross multiply
    154,323.70x = 231,485.55 × 49,153.30
  4. Step 4: Simplify right side
    154,323.70x = 11,378,278,684.82
  5. Step 5: Solve for x
    x = 11,378,278,684.82/154,323.70
  6. Step 6: Final answer
    x = 73,729.95

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1.5x scale

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.