Home / 268,587.73-402,886.23-91,099.31

Finding the Fourth Proportional to 268,587.73, 402,886.23 and 91,099.31

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Solution

The fourth proportional to 268,587.73, 402,886.23 and 91,099.31 is: 136,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,587.73 : 402,886.23 = 91,099.31 : x
  2. Step 2: Convert to fraction form
    268,587.73/402,886.23 = 91,099.31/x
  3. Step 3: Cross multiply
    268,587.73x = 402,886.23 × 91,099.31
  4. Step 4: Simplify right side
    268,587.73x = 36,702,657,561.50
  5. Step 5: Solve for x
    x = 36,702,657,561.50/268,587.73
  6. Step 6: Final answer
    x = 136,650.54

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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.