Home / 284,203.45-392,197.71-156,876.31

Finding the Fourth Proportional to 284,203.45, 392,197.71 and 156,876.31

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Solution

The fourth proportional to 284,203.45, 392,197.71 and 156,876.31 is: 216,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,203.45 : 392,197.71 = 156,876.31 : x
  2. Step 2: Convert to fraction form
    284,203.45/392,197.71 = 156,876.31/x
  3. Step 3: Cross multiply
    284,203.45x = 392,197.71 × 156,876.31
  4. Step 4: Simplify right side
    284,203.45x = 61,526,529,535.25
  5. Step 5: Solve for x
    x = 61,526,529,535.25/284,203.45
  6. Step 6: Final answer
    x = 216,487.62

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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.