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Finding the Fourth Proportional to 371,336.73, 512,444.25 and 201,570.87

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Solution

The fourth proportional to 371,336.73, 512,444.25 and 201,570.87 is: 278,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,336.73 : 512,444.25 = 201,570.87 : x
  2. Step 2: Convert to fraction form
    371,336.73/512,444.25 = 201,570.87/x
  3. Step 3: Cross multiply
    371,336.73x = 512,444.25 × 201,570.87
  4. Step 4: Simplify right side
    371,336.73x = 103,293,833,299.00
  5. Step 5: Solve for x
    x = 103,293,833,299.00/371,336.73
  6. Step 6: Final answer
    x = 278,167.56

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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.