Home / 396,106.58-546,623.36-214,822.51

Finding the Fourth Proportional to 396,106.58, 546,623.36 and 214,822.51

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Solution

The fourth proportional to 396,106.58, 546,623.36 and 214,822.51 is: 296,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,106.58 : 546,623.36 = 214,822.51 : x
  2. Step 2: Convert to fraction form
    396,106.58/546,623.36 = 214,822.51/x
  3. Step 3: Cross multiply
    396,106.58x = 546,623.36 × 214,822.51
  4. Step 4: Simplify right side
    396,106.58x = 117,427,002,219.83
  5. Step 5: Solve for x
    x = 117,427,002,219.83/396,106.58
  6. Step 6: Final answer
    x = 296,453.05

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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.