Home / 465,105.40-641,837.27-261,157.93

Finding the Fourth Proportional to 465,105.40, 641,837.27 and 261,157.93

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Solution

The fourth proportional to 465,105.40, 641,837.27 and 261,157.93 is: 360,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,105.40 : 641,837.27 = 261,157.93 : x
  2. Step 2: Convert to fraction form
    465,105.40/641,837.27 = 261,157.93/x
  3. Step 3: Cross multiply
    465,105.40x = 641,837.27 × 261,157.93
  4. Step 4: Simplify right side
    465,105.40x = 167,620,891,878.35
  5. Step 5: Solve for x
    x = 167,620,891,878.35/465,105.40
  6. Step 6: Final answer
    x = 360,393.35

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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.