Home / 469,815.92-648,346.38-254,955.98

Finding the Fourth Proportional to 469,815.92, 648,346.38 and 254,955.98

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Solution

The fourth proportional to 469,815.92, 648,346.38 and 254,955.98 is: 351,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,815.92 : 648,346.38 = 254,955.98 : x
  2. Step 2: Convert to fraction form
    469,815.92/648,346.38 = 254,955.98/x
  3. Step 3: Cross multiply
    469,815.92x = 648,346.38 × 254,955.98
  4. Step 4: Simplify right side
    469,815.92x = 165,299,786,692.35
  5. Step 5: Solve for x
    x = 165,299,786,692.35/469,815.92
  6. Step 6: Final answer
    x = 351,839.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.