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Finding the Fourth Proportional to 371,191.82, 512,246.03 and 201,425.94

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Solution

The fourth proportional to 371,191.82, 512,246.03 and 201,425.94 is: 277,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,191.82 : 512,246.03 = 201,425.94 : x
  2. Step 2: Convert to fraction form
    371,191.82/512,246.03 = 201,425.94/x
  3. Step 3: Cross multiply
    371,191.82x = 512,246.03 × 201,425.94
  4. Step 4: Simplify right side
    371,191.82x = 103,179,637,096.89
  5. Step 5: Solve for x
    x = 103,179,637,096.89/371,191.82
  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.