Home / 284,233.67-392,256.09-156,917.46

Finding the Fourth Proportional to 284,233.67, 392,256.09 and 156,917.46

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Solution

The fourth proportional to 284,233.67, 392,256.09 and 156,917.46 is: 216,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,233.67 : 392,256.09 = 156,917.46 : x
  2. Step 2: Convert to fraction form
    284,233.67/392,256.09 = 156,917.46/x
  3. Step 3: Cross multiply
    284,233.67x = 392,256.09 × 156,917.46
  4. Step 4: Simplify right side
    284,233.67x = 61,551,829,312.33
  5. Step 5: Solve for x
    x = 61,551,829,312.33/284,233.67
  6. Step 6: Final answer
    x = 216,553.62

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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.