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Finding the Fourth Proportional to 235,860.96, 325,492.02 and 128,433.09

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Solution

The fourth proportional to 235,860.96, 325,492.02 and 128,433.09 is: 177,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,860.96 : 325,492.02 = 128,433.09 : x
  2. Step 2: Convert to fraction form
    235,860.96/325,492.02 = 128,433.09/x
  3. Step 3: Cross multiply
    235,860.96x = 325,492.02 × 128,433.09
  4. Step 4: Simplify right side
    235,860.96x = 41,803,945,898.94
  5. Step 5: Solve for x
    x = 41,803,945,898.94/235,860.96
  6. Step 6: Final answer
    x = 177,239.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.