Home / 268,948.22-403,425.58-91,458.86

Finding the Fourth Proportional to 268,948.22, 403,425.58 and 91,458.86

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Solution

The fourth proportional to 268,948.22, 403,425.58 and 91,458.86 is: 137,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,948.22 : 403,425.58 = 91,458.86 : x
  2. Step 2: Convert to fraction form
    268,948.22/403,425.58 = 91,458.86/x
  3. Step 3: Cross multiply
    268,948.22x = 403,425.58 × 91,458.86
  4. Step 4: Simplify right side
    268,948.22x = 36,896,843,641.64
  5. Step 5: Solve for x
    x = 36,896,843,641.64/268,948.22
  6. Step 6: Final answer
    x = 137,189.40

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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.