Home / 384,012.21-529,935.96-222,961.53

Finding the Fourth Proportional to 384,012.21, 529,935.96 and 222,961.53

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Solution

The fourth proportional to 384,012.21, 529,935.96 and 222,961.53 is: 307,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,012.21 : 529,935.96 = 222,961.53 : x
  2. Step 2: Convert to fraction form
    384,012.21/529,935.96 = 222,961.53/x
  3. Step 3: Cross multiply
    384,012.21x = 529,935.96 × 222,961.53
  4. Step 4: Simplify right side
    384,012.21x = 118,155,332,443.62
  5. Step 5: Solve for x
    x = 118,155,332,443.62/384,012.21
  6. Step 6: Final answer
    x = 307,686.39

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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.