Home / 435,939.63-653,556.53-136,265.91

Finding the Fourth Proportional to 435,939.63, 653,556.53 and 136,265.91

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Solution

The fourth proportional to 435,939.63, 653,556.53 and 136,265.91 is: 204,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,939.63 : 653,556.53 = 136,265.91 : x
  2. Step 2: Convert to fraction form
    435,939.63/653,556.53 = 136,265.91/x
  3. Step 3: Cross multiply
    435,939.63x = 653,556.53 × 136,265.91
  4. Step 4: Simplify right side
    435,939.63x = 89,057,474,615.56
  5. Step 5: Solve for x
    x = 89,057,474,615.56/435,939.63
  6. Step 6: Final answer
    x = 204,288.55

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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.