Home / 284,207.43-392,208.98-156,880.29

Finding the Fourth Proportional to 284,207.43, 392,208.98 and 156,880.29

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Solution

The fourth proportional to 284,207.43, 392,208.98 and 156,880.29 is: 216,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,207.43 : 392,208.98 = 156,880.29 : x
  2. Step 2: Convert to fraction form
    284,207.43/392,208.98 = 156,880.29/x
  3. Step 3: Cross multiply
    284,207.43x = 392,208.98 × 156,880.29
  4. Step 4: Simplify right side
    284,207.43x = 61,529,857,738.60
  5. Step 5: Solve for x
    x = 61,529,857,738.60/284,207.43
  6. Step 6: Final answer
    x = 216,496.30

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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.