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Finding the Fourth Proportional to 371,455.37, 512,594.03 and 201,685.61

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Solution

The fourth proportional to 371,455.37, 512,594.03 and 201,685.61 is: 278,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,455.37 : 512,594.03 = 201,685.61 : x
  2. Step 2: Convert to fraction form
    371,455.37/512,594.03 = 201,685.61/x
  3. Step 3: Cross multiply
    371,455.37x = 512,594.03 × 201,685.61
  4. Step 4: Simplify right side
    371,455.37x = 103,382,839,622.91
  5. Step 5: Solve for x
    x = 103,382,839,622.91/371,455.37
  6. Step 6: Final answer
    x = 278,318.33

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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.