Home / 396,105.58-546,621.98-214,821.51

Finding the Fourth Proportional to 396,105.58, 546,621.98 and 214,821.51

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Solution

The fourth proportional to 396,105.58, 546,621.98 and 214,821.51 is: 296,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,105.58 : 546,621.98 = 214,821.51 : x
  2. Step 2: Convert to fraction form
    396,105.58/546,621.98 = 214,821.51/x
  3. Step 3: Cross multiply
    396,105.58x = 546,621.98 × 214,821.51
  4. Step 4: Simplify right side
    396,105.58x = 117,426,159,142.79
  5. Step 5: Solve for x
    x = 117,426,159,142.79/396,105.58
  6. Step 6: Final answer
    x = 296,451.67

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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.