Home / 275,582.88-380,309.04-153,072

Finding the Fourth Proportional to 275,582.88, 380,309.04 and 153,072

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Solution

The fourth proportional to 275,582.88, 380,309.04 and 153,072 is: 211,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,582.88 : 380,309.04 = 153,072 : x
  2. Step 2: Convert to fraction form
    275,582.88/380,309.04 = 153,072/x
  3. Step 3: Cross multiply
    275,582.88x = 380,309.04 × 153,072
  4. Step 4: Simplify right side
    275,582.88x = 58,214,665,370.88
  5. Step 5: Solve for x
    x = 58,214,665,370.88/275,582.88
  6. Step 6: Final answer
    x = 211,241.95

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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.