Home / 275,416.96-380,078.03-160,767.13

Finding the Fourth Proportional to 275,416.96, 380,078.03 and 160,767.13

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Solution

The fourth proportional to 275,416.96, 380,078.03 and 160,767.13 is: 221,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,416.96 : 380,078.03 = 160,767.13 : x
  2. Step 2: Convert to fraction form
    275,416.96/380,078.03 = 160,767.13/x
  3. Step 3: Cross multiply
    275,416.96x = 380,078.03 × 160,767.13
  4. Step 4: Simplify right side
    275,416.96x = 61,104,054,059.15
  5. Step 5: Solve for x
    x = 61,104,054,059.15/275,416.96
  6. Step 6: Final answer
    x = 221,860.17

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1.5x scale

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.