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Finding the Fourth Proportional to 296,961.02, 409,801.18 and 167,897.38

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Solution

The fourth proportional to 296,961.02, 409,801.18 and 167,897.38 is: 231,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,961.02 : 409,801.18 = 167,897.38 : x
  2. Step 2: Convert to fraction form
    296,961.02/409,801.18 = 167,897.38/x
  3. Step 3: Cross multiply
    296,961.02x = 409,801.18 × 167,897.38
  4. Step 4: Simplify right side
    296,961.02x = 68,804,544,442.91
  5. Step 5: Solve for x
    x = 68,804,544,442.91/296,961.02
  6. Step 6: Final answer
    x = 231,695.54

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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.