Home / 262,261.08-393,450.12-75,258

Finding the Fourth Proportional to 262,261.08, 393,450.12 and 75,258

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Solution

The fourth proportional to 262,261.08, 393,450.12 and 75,258 is: 112,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,261.08 : 393,450.12 = 75,258 : x
  2. Step 2: Convert to fraction form
    262,261.08/393,450.12 = 75,258/x
  3. Step 3: Cross multiply
    262,261.08x = 393,450.12 × 75,258
  4. Step 4: Simplify right side
    262,261.08x = 29,610,269,130.96
  5. Step 5: Solve for x
    x = 29,610,269,130.96/262,261.08
  6. Step 6: Final answer
    x = 112,903.79

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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.