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Finding the Fourth Proportional to 251,383, 346,961.40 and 159,442.76

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Solution

The fourth proportional to 251,383, 346,961.40 and 159,442.76 is: 220,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,383 : 346,961.40 = 159,442.76 : x
  2. Step 2: Convert to fraction form
    251,383/346,961.40 = 159,442.76/x
  3. Step 3: Cross multiply
    251,383x = 346,961.40 × 159,442.76
  4. Step 4: Simplify right side
    251,383x = 55,320,483,229.46
  5. Step 5: Solve for x
    x = 55,320,483,229.46/251,383
  6. Step 6: Final answer
    x = 220,064.54

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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.