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Finding the Fourth Proportional to 371,203.19, 512,261.75 and 201,437.27

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Solution

The fourth proportional to 371,203.19, 512,261.75 and 201,437.27 is: 277,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,203.19 : 512,261.75 = 201,437.27 : x
  2. Step 2: Convert to fraction form
    371,203.19/512,261.75 = 201,437.27/x
  3. Step 3: Cross multiply
    371,203.19x = 512,261.75 × 201,437.27
  4. Step 4: Simplify right side
    371,203.19x = 103,188,608,445.42
  5. Step 5: Solve for x
    x = 103,188,608,445.42/371,203.19
  6. Step 6: Final answer
    x = 277,984.16

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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.