Home / 262,199.10-393,313.29-75,205.50

Finding the Fourth Proportional to 262,199.10, 393,313.29 and 75,205.50

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Solution

The fourth proportional to 262,199.10, 393,313.29 and 75,205.50 is: 112,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,199.10 : 393,313.29 = 75,205.50 : x
  2. Step 2: Convert to fraction form
    262,199.10/393,313.29 = 75,205.50/x
  3. Step 3: Cross multiply
    262,199.10x = 393,313.29 × 75,205.50
  4. Step 4: Simplify right side
    262,199.10x = 29,579,322,631.10
  5. Step 5: Solve for x
    x = 29,579,322,631.10/262,199.10
  6. Step 6: Final answer
    x = 112,812.45

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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.