Home / 268,588.22-402,886.98-91,099.82

Finding the Fourth Proportional to 268,588.22, 402,886.98 and 91,099.82

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Solution

The fourth proportional to 268,588.22, 402,886.98 and 91,099.82 is: 136,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,588.22 : 402,886.98 = 91,099.82 : x
  2. Step 2: Convert to fraction form
    268,588.22/402,886.98 = 91,099.82/x
  3. Step 3: Cross multiply
    268,588.22x = 402,886.98 × 91,099.82
  4. Step 4: Simplify right side
    268,588.22x = 36,702,931,358.34
  5. Step 5: Solve for x
    x = 36,702,931,358.34/268,588.22
  6. Step 6: Final answer
    x = 136,651.31

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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.