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Finding the Fourth Proportional to 371,191.77, 512,246.04 and 201,425.91

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Solution

The fourth proportional to 371,191.77, 512,246.04 and 201,425.91 is: 277,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,191.77 : 512,246.04 = 201,425.91 : x
  2. Step 2: Convert to fraction form
    371,191.77/512,246.04 = 201,425.91/x
  3. Step 3: Cross multiply
    371,191.77x = 512,246.04 × 201,425.91
  4. Step 4: Simplify right side
    371,191.77x = 103,179,624,750.90
  5. Step 5: Solve for x
    x = 103,179,624,750.90/371,191.77
  6. Step 6: Final answer
    x = 277,968.51

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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.