Home / 505,142.64-757,838.68-150,155.12

Finding the Fourth Proportional to 505,142.64, 757,838.68 and 150,155.12

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Solution

The fourth proportional to 505,142.64, 757,838.68 and 150,155.12 is: 225,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,142.64 : 757,838.68 = 150,155.12 : x
  2. Step 2: Convert to fraction form
    505,142.64/757,838.68 = 150,155.12/x
  3. Step 3: Cross multiply
    505,142.64x = 757,838.68 × 150,155.12
  4. Step 4: Simplify right side
    505,142.64x = 113,793,357,936.04
  5. Step 5: Solve for x
    x = 113,793,357,936.04/505,142.64
  6. Step 6: Final answer
    x = 225,269.75

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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.