Home / 387,949.57-535,290.12-226,773.43

Finding the Fourth Proportional to 387,949.57, 535,290.12 and 226,773.43

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Solution

The fourth proportional to 387,949.57, 535,290.12 and 226,773.43 is: 312,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,949.57 : 535,290.12 = 226,773.43 : x
  2. Step 2: Convert to fraction form
    387,949.57/535,290.12 = 226,773.43/x
  3. Step 3: Cross multiply
    387,949.57x = 535,290.12 × 226,773.43
  4. Step 4: Simplify right side
    387,949.57x = 121,389,576,557.51
  5. Step 5: Solve for x
    x = 121,389,576,557.51/387,949.57
  6. Step 6: Final answer
    x = 312,900.40

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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.