Home / 505,514.08-758,268.72-131,536.48

Finding the Fourth Proportional to 505,514.08, 758,268.72 and 131,536.48

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Solution

The fourth proportional to 505,514.08, 758,268.72 and 131,536.48 is: 197,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,514.08 : 758,268.72 = 131,536.48 : x
  2. Step 2: Convert to fraction form
    505,514.08/758,268.72 = 131,536.48/x
  3. Step 3: Cross multiply
    505,514.08x = 758,268.72 × 131,536.48
  4. Step 4: Simplify right side
    505,514.08x = 99,739,998,322.91
  5. Step 5: Solve for x
    x = 99,739,998,322.91/505,514.08
  6. Step 6: Final answer
    x = 197,304.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.