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Finding the Fourth Proportional to 264,718.39, 397,151.70 and 107,057.56

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Solution

The fourth proportional to 264,718.39, 397,151.70 and 107,057.56 is: 160,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,718.39 : 397,151.70 = 107,057.56 : x
  2. Step 2: Convert to fraction form
    264,718.39/397,151.70 = 107,057.56/x
  3. Step 3: Cross multiply
    264,718.39x = 397,151.70 × 107,057.56
  4. Step 4: Simplify right side
    264,718.39x = 42,518,091,951.85
  5. Step 5: Solve for x
    x = 42,518,091,951.85/264,718.39
  6. Step 6: Final answer
    x = 160,616.31

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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.