Home / 578,296.96-867,279-199,202.40

Finding the Fourth Proportional to 578,296.96, 867,279 and 199,202.40

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Solution

The fourth proportional to 578,296.96, 867,279 and 199,202.40 is: 298,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,296.96 : 867,279 = 199,202.40 : x
  2. Step 2: Convert to fraction form
    578,296.96/867,279 = 199,202.40/x
  3. Step 3: Cross multiply
    578,296.96x = 867,279 × 199,202.40
  4. Step 4: Simplify right side
    578,296.96x = 172,764,058,269.60
  5. Step 5: Solve for x
    x = 172,764,058,269.60/578,296.96
  6. Step 6: Final answer
    x = 298,746.27

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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.