Home / 286,514.38-429,958.06-109,022.86

Finding the Fourth Proportional to 286,514.38, 429,958.06 and 109,022.86

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Solution

The fourth proportional to 286,514.38, 429,958.06 and 109,022.86 is: 163,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,514.38 : 429,958.06 = 109,022.86 : x
  2. Step 2: Convert to fraction form
    286,514.38/429,958.06 = 109,022.86/x
  3. Step 3: Cross multiply
    286,514.38x = 429,958.06 × 109,022.86
  4. Step 4: Simplify right side
    286,514.38x = 46,875,257,381.25
  5. Step 5: Solve for x
    x = 46,875,257,381.25/286,514.38
  6. Step 6: Final answer
    x = 163,605.25

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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.