Home / 254,878.24-380,166.52-221,334.52

Finding the Fourth Proportional to 254,878.24, 380,166.52 and 221,334.52

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Solution

The fourth proportional to 254,878.24, 380,166.52 and 221,334.52 is: 330,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,878.24 : 380,166.52 = 221,334.52 : x
  2. Step 2: Convert to fraction form
    254,878.24/380,166.52 = 221,334.52/x
  3. Step 3: Cross multiply
    254,878.24x = 380,166.52 × 221,334.52
  4. Step 4: Simplify right side
    254,878.24x = 84,143,974,224.27
  5. Step 5: Solve for x
    x = 84,143,974,224.27/254,878.24
  6. Step 6: Final answer
    x = 330,134.01

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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.