Home / 275,720.20-380,529.06-168,267.40

Finding the Fourth Proportional to 275,720.20, 380,529.06 and 168,267.40

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Solution

The fourth proportional to 275,720.20, 380,529.06 and 168,267.40 is: 232,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,720.20 : 380,529.06 = 168,267.40 : x
  2. Step 2: Convert to fraction form
    275,720.20/380,529.06 = 168,267.40/x
  3. Step 3: Cross multiply
    275,720.20x = 380,529.06 × 168,267.40
  4. Step 4: Simplify right side
    275,720.20x = 64,030,635,550.64
  5. Step 5: Solve for x
    x = 64,030,635,550.64/275,720.20
  6. Step 6: Final answer
    x = 232,230.48

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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.