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Finding the Fourth Proportional to 371,335.98, 512,443.22 and 201,570.11

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Solution

The fourth proportional to 371,335.98, 512,443.22 and 201,570.11 is: 278,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,335.98 : 512,443.22 = 201,570.11 : x
  2. Step 2: Convert to fraction form
    371,335.98/512,443.22 = 201,570.11/x
  3. Step 3: Cross multiply
    371,335.98x = 512,443.22 × 201,570.11
  4. Step 4: Simplify right side
    371,335.98x = 103,293,232,654.09
  5. Step 5: Solve for x
    x = 103,293,232,654.09/371,335.98
  6. Step 6: Final answer
    x = 278,166.51

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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.