Home / 339,155.92-468,037.02-211,905.28

Finding the Fourth Proportional to 339,155.92, 468,037.02 and 211,905.28

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Solution

The fourth proportional to 339,155.92, 468,037.02 and 211,905.28 is: 292,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,155.92 : 468,037.02 = 211,905.28 : x
  2. Step 2: Convert to fraction form
    339,155.92/468,037.02 = 211,905.28/x
  3. Step 3: Cross multiply
    339,155.92x = 468,037.02 × 211,905.28
  4. Step 4: Simplify right side
    339,155.92x = 99,179,515,773.47
  5. Step 5: Solve for x
    x = 99,179,515,773.47/339,155.92
  6. Step 6: Final answer
    x = 292,430.44

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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.