Home / 395,479.02-545,757.88-214,186.77

Finding the Fourth Proportional to 395,479.02, 545,757.88 and 214,186.77

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Solution

The fourth proportional to 395,479.02, 545,757.88 and 214,186.77 is: 295,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,479.02 : 545,757.88 = 214,186.77 : x
  2. Step 2: Convert to fraction form
    395,479.02/545,757.88 = 214,186.77/x
  3. Step 3: Cross multiply
    395,479.02x = 545,757.88 × 214,186.77
  4. Step 4: Simplify right side
    395,479.02x = 116,894,117,519.25
  5. Step 5: Solve for x
    x = 116,894,117,519.25/395,479.02
  6. Step 6: Final answer
    x = 295,576.03

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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.