Home / 395,968.17-546,434.35-214,679.54

Finding the Fourth Proportional to 395,968.17, 546,434.35 and 214,679.54

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Solution

The fourth proportional to 395,968.17, 546,434.35 and 214,679.54 is: 296,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,968.17 : 546,434.35 = 214,679.54 : x
  2. Step 2: Convert to fraction form
    395,968.17/546,434.35 = 214,679.54/x
  3. Step 3: Cross multiply
    395,968.17x = 546,434.35 × 214,679.54
  4. Step 4: Simplify right side
    395,968.17x = 117,308,274,898.20
  5. Step 5: Solve for x
    x = 117,308,274,898.20/395,968.17
  6. Step 6: Final answer
    x = 296,256.83

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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.