Home / 284,183.20-426,117.80-178,776.64

Finding the Fourth Proportional to 284,183.20, 426,117.80 and 178,776.64

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Solution

The fourth proportional to 284,183.20, 426,117.80 and 178,776.64 is: 268,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,183.20 : 426,117.80 = 178,776.64 : x
  2. Step 2: Convert to fraction form
    284,183.20/426,117.80 = 178,776.64/x
  3. Step 3: Cross multiply
    284,183.20x = 426,117.80 × 178,776.64
  4. Step 4: Simplify right side
    284,183.20x = 76,179,908,528.19
  5. Step 5: Solve for x
    x = 76,179,908,528.19/284,183.20
  6. Step 6: Final answer
    x = 268,066.19

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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.