Home / 254,879.24-380,168.01-221,335.52

Finding the Fourth Proportional to 254,879.24, 380,168.01 and 221,335.52

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Solution

The fourth proportional to 254,879.24, 380,168.01 and 221,335.52 is: 330,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,879.24 : 380,168.01 = 221,335.52 : x
  2. Step 2: Convert to fraction form
    254,879.24/380,168.01 = 221,335.52/x
  3. Step 3: Cross multiply
    254,879.24x = 380,168.01 × 221,335.52
  4. Step 4: Simplify right side
    254,879.24x = 84,144,684,180.72
  5. Step 5: Solve for x
    x = 84,144,684,180.72/254,879.24
  6. Step 6: Final answer
    x = 330,135.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.