Home / 387,947.07-535,286.67-226,770.93

Finding the Fourth Proportional to 387,947.07, 535,286.67 and 226,770.93

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Solution

The fourth proportional to 387,947.07, 535,286.67 and 226,770.93 is: 312,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,947.07 : 535,286.67 = 226,770.93 : x
  2. Step 2: Convert to fraction form
    387,947.07/535,286.67 = 226,770.93/x
  3. Step 3: Cross multiply
    387,947.07x = 535,286.67 × 226,770.93
  4. Step 4: Simplify right side
    387,947.07x = 121,387,455,972.50
  5. Step 5: Solve for x
    x = 121,387,455,972.50/387,947.07
  6. Step 6: Final answer
    x = 312,896.95

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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.