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Finding the Fourth Proportional to 371,203.94, 512,262.78 and 201,438.02

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Solution

The fourth proportional to 371,203.94, 512,262.78 and 201,438.02 is: 277,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,203.94 : 512,262.78 = 201,438.02 : x
  2. Step 2: Convert to fraction form
    371,203.94/512,262.78 = 201,438.02/x
  3. Step 3: Cross multiply
    371,203.94x = 512,262.78 × 201,438.02
  4. Step 4: Simplify right side
    371,203.94x = 103,189,200,122.90
  5. Step 5: Solve for x
    x = 103,189,200,122.90/371,203.94
  6. Step 6: Final answer
    x = 277,985.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.