Home / 395,455.08-545,738.01-242,577.57

Finding the Fourth Proportional to 395,455.08, 545,738.01 and 242,577.57

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Solution

The fourth proportional to 395,455.08, 545,738.01 and 242,577.57 is: 334,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,455.08 : 545,738.01 = 242,577.57 : x
  2. Step 2: Convert to fraction form
    395,455.08/545,738.01 = 242,577.57/x
  3. Step 3: Cross multiply
    395,455.08x = 545,738.01 × 242,577.57
  4. Step 4: Simplify right side
    395,455.08x = 132,383,800,322.44
  5. Step 5: Solve for x
    x = 132,383,800,322.44/395,455.08
  6. Step 6: Final answer
    x = 334,763.18

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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.