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Finding the Fourth Proportional to 284,908.76, 427,385.61 and 95,370.23

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Solution

The fourth proportional to 284,908.76, 427,385.61 and 95,370.23 is: 143,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,908.76 : 427,385.61 = 95,370.23 : x
  2. Step 2: Convert to fraction form
    284,908.76/427,385.61 = 95,370.23/x
  3. Step 3: Cross multiply
    284,908.76x = 427,385.61 × 95,370.23
  4. Step 4: Simplify right side
    284,908.76x = 40,759,863,924.39
  5. Step 5: Solve for x
    x = 40,759,863,924.39/284,908.76
  6. Step 6: Final answer
    x = 143,062.87

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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.