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Finding the Fourth Proportional to 387,560.96, 534,980.27 and 226,468.37

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Solution

The fourth proportional to 387,560.96, 534,980.27 and 226,468.37 is: 312,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,560.96 : 534,980.27 = 226,468.37 : x
  2. Step 2: Convert to fraction form
    387,560.96/534,980.27 = 226,468.37/x
  3. Step 3: Cross multiply
    387,560.96x = 534,980.27 × 226,468.37
  4. Step 4: Simplify right side
    387,560.96x = 121,156,109,729.06
  5. Step 5: Solve for x
    x = 121,156,109,729.06/387,560.96
  6. Step 6: Final answer
    x = 312,611.75

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1.5x scale

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.