Home / 284,489.24-426,437.40-115,936.40

Finding the Fourth Proportional to 284,489.24, 426,437.40 and 115,936.40

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Solution

The fourth proportional to 284,489.24, 426,437.40 and 115,936.40 is: 173,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,489.24 : 426,437.40 = 115,936.40 : x
  2. Step 2: Convert to fraction form
    284,489.24/426,437.40 = 115,936.40/x
  3. Step 3: Cross multiply
    284,489.24x = 426,437.40 × 115,936.40
  4. Step 4: Simplify right side
    284,489.24x = 49,439,616,981.36
  5. Step 5: Solve for x
    x = 49,439,616,981.36/284,489.24
  6. Step 6: Final answer
    x = 173,783.79

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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.