Home / 396,127.49-546,654.35-214,838.69

Finding the Fourth Proportional to 396,127.49, 546,654.35 and 214,838.69

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Solution

The fourth proportional to 396,127.49, 546,654.35 and 214,838.69 is: 296,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,127.49 : 546,654.35 = 214,838.69 : x
  2. Step 2: Convert to fraction form
    396,127.49/546,654.35 = 214,838.69/x
  3. Step 3: Cross multiply
    396,127.49x = 546,654.35 × 214,838.69
  4. Step 4: Simplify right side
    396,127.49x = 117,442,502,240.63
  5. Step 5: Solve for x
    x = 117,442,502,240.63/396,127.49
  6. Step 6: Final answer
    x = 296,476.53

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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.