Home / 260,152.72-389,592.18-214,897.19

Finding the Fourth Proportional to 260,152.72, 389,592.18 and 214,897.19

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Solution

The fourth proportional to 260,152.72, 389,592.18 and 214,897.19 is: 321,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,152.72 : 389,592.18 = 214,897.19 : x
  2. Step 2: Convert to fraction form
    260,152.72/389,592.18 = 214,897.19/x
  3. Step 3: Cross multiply
    260,152.72x = 389,592.18 × 214,897.19
  4. Step 4: Simplify right side
    260,152.72x = 83,722,264,727.97
  5. Step 5: Solve for x
    x = 83,722,264,727.97/260,152.72
  6. Step 6: Final answer
    x = 321,819.68

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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.