Home / 284,220.82-392,224.80-156,896.50

Finding the Fourth Proportional to 284,220.82, 392,224.80 and 156,896.50

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Solution

The fourth proportional to 284,220.82, 392,224.80 and 156,896.50 is: 216,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,220.82 : 392,224.80 = 156,896.50 : x
  2. Step 2: Convert to fraction form
    284,220.82/392,224.80 = 156,896.50/x
  3. Step 3: Cross multiply
    284,220.82x = 392,224.80 × 156,896.50
  4. Step 4: Simplify right side
    284,220.82x = 61,538,698,333.20
  5. Step 5: Solve for x
    x = 61,538,698,333.20/284,220.82
  6. Step 6: Final answer
    x = 216,517.21

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1.5x scale

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.