Home / 387,714.87-534,967.43-226,538.75

Finding the Fourth Proportional to 387,714.87, 534,967.43 and 226,538.75

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Solution

The fourth proportional to 387,714.87, 534,967.43 and 226,538.75 is: 312,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,714.87 : 534,967.43 = 226,538.75 : x
  2. Step 2: Convert to fraction form
    387,714.87/534,967.43 = 226,538.75/x
  3. Step 3: Cross multiply
    387,714.87x = 534,967.43 × 226,538.75
  4. Step 4: Simplify right side
    387,714.87x = 121,190,850,208.08
  5. Step 5: Solve for x
    x = 121,190,850,208.08/387,714.87
  6. Step 6: Final answer
    x = 312,577.26

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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.