Home / 465,100.64-641,799.48-261,135.55

Finding the Fourth Proportional to 465,100.64, 641,799.48 and 261,135.55

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Solution

The fourth proportional to 465,100.64, 641,799.48 and 261,135.55 is: 360,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,100.64 : 641,799.48 = 261,135.55 : x
  2. Step 2: Convert to fraction form
    465,100.64/641,799.48 = 261,135.55/x
  3. Step 3: Cross multiply
    465,100.64x = 641,799.48 × 261,135.55
  4. Step 4: Simplify right side
    465,100.64x = 167,596,660,199.51
  5. Step 5: Solve for x
    x = 167,596,660,199.51/465,100.64
  6. Step 6: Final answer
    x = 360,344.94

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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.