Home / 388,383.12-535,968.84-227,269.14

Finding the Fourth Proportional to 388,383.12, 535,968.84 and 227,269.14

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Solution

The fourth proportional to 388,383.12, 535,968.84 and 227,269.14 is: 313,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,383.12 : 535,968.84 = 227,269.14 : x
  2. Step 2: Convert to fraction form
    388,383.12/535,968.84 = 227,269.14/x
  3. Step 3: Cross multiply
    388,383.12x = 535,968.84 × 227,269.14
  4. Step 4: Simplify right side
    388,383.12x = 121,809,177,333.60
  5. Step 5: Solve for x
    x = 121,809,177,333.60/388,383.12
  6. Step 6: Final answer
    x = 313,631.49

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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.