Home / 284,639.49-392,801.78-162,131.83

Finding the Fourth Proportional to 284,639.49, 392,801.78 and 162,131.83

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Solution

The fourth proportional to 284,639.49, 392,801.78 and 162,131.83 is: 223,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,639.49 : 392,801.78 = 162,131.83 : x
  2. Step 2: Convert to fraction form
    284,639.49/392,801.78 = 162,131.83/x
  3. Step 3: Cross multiply
    284,639.49x = 392,801.78 × 162,131.83
  4. Step 4: Simplify right side
    284,639.49x = 63,685,670,385.99
  5. Step 5: Solve for x
    x = 63,685,670,385.99/284,639.49
  6. Step 6: Final answer
    x = 223,741.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.