Home / 396,269.36-546,851.91-214,981.25

Finding the Fourth Proportional to 396,269.36, 546,851.91 and 214,981.25

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Solution

The fourth proportional to 396,269.36, 546,851.91 and 214,981.25 is: 296,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,269.36 : 546,851.91 = 214,981.25 : x
  2. Step 2: Convert to fraction form
    396,269.36/546,851.91 = 214,981.25/x
  3. Step 3: Cross multiply
    396,269.36x = 546,851.91 × 214,981.25
  4. Step 4: Simplify right side
    396,269.36x = 117,562,904,423.85
  5. Step 5: Solve for x
    x = 117,562,904,423.85/396,269.36
  6. Step 6: Final answer
    x = 296,674.22

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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.