Home / 433,378.08-649,940.19-163,311.36

Finding the Fourth Proportional to 433,378.08, 649,940.19 and 163,311.36

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Solution

The fourth proportional to 433,378.08, 649,940.19 and 163,311.36 is: 244,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,378.08 : 649,940.19 = 163,311.36 : x
  2. Step 2: Convert to fraction form
    433,378.08/649,940.19 = 163,311.36/x
  3. Step 3: Cross multiply
    433,378.08x = 649,940.19 × 163,311.36
  4. Step 4: Simplify right side
    433,378.08x = 106,142,616,347.56
  5. Step 5: Solve for x
    x = 106,142,616,347.56/433,378.08
  6. Step 6: Final answer
    x = 244,919.21

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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.