Home / 272,770.20-409,237.92-213,005.16

Finding the Fourth Proportional to 272,770.20, 409,237.92 and 213,005.16

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Solution

The fourth proportional to 272,770.20, 409,237.92 and 213,005.16 is: 319,572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,770.20 : 409,237.92 = 213,005.16 : x
  2. Step 2: Convert to fraction form
    272,770.20/409,237.92 = 213,005.16/x
  3. Step 3: Cross multiply
    272,770.20x = 409,237.92 × 213,005.16
  4. Step 4: Simplify right side
    272,770.20x = 87,169,788,627.67
  5. Step 5: Solve for x
    x = 87,169,788,627.67/272,770.20
  6. Step 6: Final answer
    x = 319,572.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.