Home / 213,484.66-320,282.25-113,562.52

Finding the Fourth Proportional to 213,484.66, 320,282.25 and 113,562.52

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Solution

The fourth proportional to 213,484.66, 320,282.25 and 113,562.52 is: 170,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,484.66 : 320,282.25 = 113,562.52 : x
  2. Step 2: Convert to fraction form
    213,484.66/320,282.25 = 113,562.52/x
  3. Step 3: Cross multiply
    213,484.66x = 320,282.25 × 113,562.52
  4. Step 4: Simplify right side
    213,484.66x = 36,372,059,421.27
  5. Step 5: Solve for x
    x = 36,372,059,421.27/213,484.66
  6. Step 6: Final answer
    x = 170,373.18

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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.