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Finding the Fourth Proportional to 378,594.93, 522,517.58 and 242,782.23

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Solution

The fourth proportional to 378,594.93, 522,517.58 and 242,782.23 is: 335,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,594.93 : 522,517.58 = 242,782.23 : x
  2. Step 2: Convert to fraction form
    378,594.93/522,517.58 = 242,782.23/x
  3. Step 3: Cross multiply
    378,594.93x = 522,517.58 × 242,782.23
  4. Step 4: Simplify right side
    378,594.93x = 126,857,983,286.60
  5. Step 5: Solve for x
    x = 126,857,983,286.60/378,594.93
  6. Step 6: Final answer
    x = 335,075.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.