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Finding the Fourth Proportional to 267,130.58, 368,640.34 and 146,271.90

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Solution

The fourth proportional to 267,130.58, 368,640.34 and 146,271.90 is: 201,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,130.58 : 368,640.34 = 146,271.90 : x
  2. Step 2: Convert to fraction form
    267,130.58/368,640.34 = 146,271.90/x
  3. Step 3: Cross multiply
    267,130.58x = 368,640.34 × 146,271.90
  4. Step 4: Simplify right side
    267,130.58x = 53,921,722,948.45
  5. Step 5: Solve for x
    x = 53,921,722,948.45/267,130.58
  6. Step 6: Final answer
    x = 201,855.30

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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.