Home / 579,172.20-868,124.70-205,002.60

Finding the Fourth Proportional to 579,172.20, 868,124.70 and 205,002.60

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Solution

The fourth proportional to 579,172.20, 868,124.70 and 205,002.60 is: 307,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,172.20 : 868,124.70 = 205,002.60 : x
  2. Step 2: Convert to fraction form
    579,172.20/868,124.70 = 205,002.60/x
  3. Step 3: Cross multiply
    579,172.20x = 868,124.70 × 205,002.60
  4. Step 4: Simplify right side
    579,172.20x = 177,967,820,624.22
  5. Step 5: Solve for x
    x = 177,967,820,624.22/579,172.20
  6. Step 6: Final answer
    x = 307,279.63

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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.