Home / 251,484.14-347,961.97-219,285.90

Finding the Fourth Proportional to 251,484.14, 347,961.97 and 219,285.90

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Solution

The fourth proportional to 251,484.14, 347,961.97 and 219,285.90 is: 303,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,484.14 : 347,961.97 = 219,285.90 : x
  2. Step 2: Convert to fraction form
    251,484.14/347,961.97 = 219,285.90/x
  3. Step 3: Cross multiply
    251,484.14x = 347,961.97 × 219,285.90
  4. Step 4: Simplify right side
    251,484.14x = 76,303,153,757.22
  5. Step 5: Solve for x
    x = 76,303,153,757.22/251,484.14
  6. Step 6: Final answer
    x = 303,411.40

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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.