Home / 275,795.04-380,742.48-185,625.12

Finding the Fourth Proportional to 275,795.04, 380,742.48 and 185,625.12

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Solution

The fourth proportional to 275,795.04, 380,742.48 and 185,625.12 is: 256,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,795.04 : 380,742.48 = 185,625.12 : x
  2. Step 2: Convert to fraction form
    275,795.04/380,742.48 = 185,625.12/x
  3. Step 3: Cross multiply
    275,795.04x = 380,742.48 × 185,625.12
  4. Step 4: Simplify right side
    275,795.04x = 70,675,368,539.10
  5. Step 5: Solve for x
    x = 70,675,368,539.10/275,795.04
  6. Step 6: Final answer
    x = 256,260.48

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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.