Home / 262,448.42-393,438.24-102,487.14

Finding the Fourth Proportional to 262,448.42, 393,438.24 and 102,487.14

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Solution

The fourth proportional to 262,448.42, 393,438.24 and 102,487.14 is: 153,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,448.42 : 393,438.24 = 102,487.14 : x
  2. Step 2: Convert to fraction form
    262,448.42/393,438.24 = 102,487.14/x
  3. Step 3: Cross multiply
    262,448.42x = 393,438.24 × 102,487.14
  4. Step 4: Simplify right side
    262,448.42x = 40,322,359,984.23
  5. Step 5: Solve for x
    x = 40,322,359,984.23/262,448.42
  6. Step 6: Final answer
    x = 153,639.18

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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.