Home / 216,690.89-324,741.08-104,362.92

Finding the Fourth Proportional to 216,690.89, 324,741.08 and 104,362.92

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Solution

The fourth proportional to 216,690.89, 324,741.08 and 104,362.92 is: 156,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,690.89 : 324,741.08 = 104,362.92 : x
  2. Step 2: Convert to fraction form
    216,690.89/324,741.08 = 104,362.92/x
  3. Step 3: Cross multiply
    216,690.89x = 324,741.08 × 104,362.92
  4. Step 4: Simplify right side
    216,690.89x = 33,890,926,830.94
  5. Step 5: Solve for x
    x = 33,890,926,830.94/216,690.89
  6. Step 6: Final answer
    x = 156,402.18

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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.