Home / 395,767.80-546,160.02-214,479.72

Finding the Fourth Proportional to 395,767.80, 546,160.02 and 214,479.72

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Solution

The fourth proportional to 395,767.80, 546,160.02 and 214,479.72 is: 295,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,767.80 : 546,160.02 = 214,479.72 : x
  2. Step 2: Convert to fraction form
    395,767.80/546,160.02 = 214,479.72/x
  3. Step 3: Cross multiply
    395,767.80x = 546,160.02 × 214,479.72
  4. Step 4: Simplify right side
    395,767.80x = 117,140,246,797.66
  5. Step 5: Solve for x
    x = 117,140,246,797.66/395,767.80
  6. Step 6: Final answer
    x = 295,982.26

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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.