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Finding the Fourth Proportional to 371,195.77, 512,251.56 and 201,429.91

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Solution

The fourth proportional to 371,195.77, 512,251.56 and 201,429.91 is: 277,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,195.77 : 512,251.56 = 201,429.91 : x
  2. Step 2: Convert to fraction form
    371,195.77/512,251.56 = 201,429.91/x
  3. Step 3: Cross multiply
    371,195.77x = 512,251.56 × 201,429.91
  4. Step 4: Simplify right side
    371,195.77x = 103,182,785,628.16
  5. Step 5: Solve for x
    x = 103,182,785,628.16/371,195.77
  6. Step 6: Final answer
    x = 277,974.03

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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.