Home / 285,227.60-427,226.33-268,459.18

Finding the Fourth Proportional to 285,227.60, 427,226.33 and 268,459.18

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Solution

The fourth proportional to 285,227.60, 427,226.33 and 268,459.18 is: 402,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,227.60 : 427,226.33 = 268,459.18 : x
  2. Step 2: Convert to fraction form
    285,227.60/427,226.33 = 268,459.18/x
  3. Step 3: Cross multiply
    285,227.60x = 427,226.33 × 268,459.18
  4. Step 4: Simplify right side
    285,227.60x = 114,692,829,829.29
  5. Step 5: Solve for x
    x = 114,692,829,829.29/285,227.60
  6. Step 6: Final answer
    x = 402,109.87

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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.