Home / 254,822.06-380,083.06-221,278.34

Finding the Fourth Proportional to 254,822.06, 380,083.06 and 221,278.34

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Solution

The fourth proportional to 254,822.06, 380,083.06 and 221,278.34 is: 330,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,822.06 : 380,083.06 = 221,278.34 : x
  2. Step 2: Convert to fraction form
    254,822.06/380,083.06 = 221,278.34/x
  3. Step 3: Cross multiply
    254,822.06x = 380,083.06 × 221,278.34
  4. Step 4: Simplify right side
    254,822.06x = 84,104,148,578.92
  5. Step 5: Solve for x
    x = 84,104,148,578.92/254,822.06
  6. Step 6: Final answer
    x = 330,050.50

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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.