Home / 387,946.56-535,285.99-226,770.42

Finding the Fourth Proportional to 387,946.56, 535,285.99 and 226,770.42

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Solution

The fourth proportional to 387,946.56, 535,285.99 and 226,770.42 is: 312,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,946.56 : 535,285.99 = 226,770.42 : x
  2. Step 2: Convert to fraction form
    387,946.56/535,285.99 = 226,770.42/x
  3. Step 3: Cross multiply
    387,946.56x = 535,285.99 × 226,770.42
  4. Step 4: Simplify right side
    387,946.56x = 121,387,028,772.42
  5. Step 5: Solve for x
    x = 121,387,028,772.42/387,946.56
  6. Step 6: Final answer
    x = 312,896.26

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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.