Home / 579,140.76-868,735.50-158,415.96

Finding the Fourth Proportional to 579,140.76, 868,735.50 and 158,415.96

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Solution

The fourth proportional to 579,140.76, 868,735.50 and 158,415.96 is: 237,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,140.76 : 868,735.50 = 158,415.96 : x
  2. Step 2: Convert to fraction form
    579,140.76/868,735.50 = 158,415.96/x
  3. Step 3: Cross multiply
    579,140.76x = 868,735.50 × 158,415.96
  4. Step 4: Simplify right side
    579,140.76x = 137,621,568,218.58
  5. Step 5: Solve for x
    x = 137,621,568,218.58/579,140.76
  6. Step 6: Final answer
    x = 237,630.60

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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.