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Finding the Fourth Proportional to 374,628.87, 516,642.87 and 245,520.32

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Solution

The fourth proportional to 374,628.87, 516,642.87 and 245,520.32 is: 338,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,628.87 : 516,642.87 = 245,520.32 : x
  2. Step 2: Convert to fraction form
    374,628.87/516,642.87 = 245,520.32/x
  3. Step 3: Cross multiply
    374,628.87x = 516,642.87 × 245,520.32
  4. Step 4: Simplify right side
    374,628.87x = 126,846,322,768.12
  5. Step 5: Solve for x
    x = 126,846,322,768.12/374,628.87
  6. Step 6: Final answer
    x = 338,591.96

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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.