Home / 401,514.39-602,274.87-131,638.59

Finding the Fourth Proportional to 401,514.39, 602,274.87 and 131,638.59

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Solution

The fourth proportional to 401,514.39, 602,274.87 and 131,638.59 is: 197,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,514.39 : 602,274.87 = 131,638.59 : x
  2. Step 2: Convert to fraction form
    401,514.39/602,274.87 = 131,638.59/x
  3. Step 3: Cross multiply
    401,514.39x = 602,274.87 × 131,638.59
  4. Step 4: Simplify right side
    401,514.39x = 79,282,614,679.23
  5. Step 5: Solve for x
    x = 79,282,614,679.23/401,514.39
  6. Step 6: Final answer
    x = 197,458.96

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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.