Home / 486,184.21-670,944.96-268,392.38

Finding the Fourth Proportional to 486,184.21, 670,944.96 and 268,392.38

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Solution

The fourth proportional to 486,184.21, 670,944.96 and 268,392.38 is: 370,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,184.21 : 670,944.96 = 268,392.38 : x
  2. Step 2: Convert to fraction form
    486,184.21/670,944.96 = 268,392.38/x
  3. Step 3: Cross multiply
    486,184.21x = 670,944.96 × 268,392.38
  4. Step 4: Simplify right side
    486,184.21x = 180,076,513,321.44
  5. Step 5: Solve for x
    x = 180,076,513,321.44/486,184.21
  6. Step 6: Final answer
    x = 370,387.42

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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.