Home / 275,449.13-380,120.54-152,941.75

Finding the Fourth Proportional to 275,449.13, 380,120.54 and 152,941.75

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Solution

The fourth proportional to 275,449.13, 380,120.54 and 152,941.75 is: 211,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,449.13 : 380,120.54 = 152,941.75 : x
  2. Step 2: Convert to fraction form
    275,449.13/380,120.54 = 152,941.75/x
  3. Step 3: Cross multiply
    275,449.13x = 380,120.54 × 152,941.75
  4. Step 4: Simplify right side
    275,449.13x = 58,136,300,743.32
  5. Step 5: Solve for x
    x = 58,136,300,743.32/275,449.13
  6. Step 6: Final answer
    x = 211,060.02

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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.