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Finding the Fourth Proportional to 284,323.26, 392,361.39 and 156,995.58

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Solution

The fourth proportional to 284,323.26, 392,361.39 and 156,995.58 is: 216,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,323.26 : 392,361.39 = 156,995.58 : x
  2. Step 2: Convert to fraction form
    284,323.26/392,361.39 = 156,995.58/x
  3. Step 3: Cross multiply
    284,323.26x = 392,361.39 × 156,995.58
  4. Step 4: Simplify right side
    284,323.26x = 61,599,003,992.66
  5. Step 5: Solve for x
    x = 61,599,003,992.66/284,323.26
  6. Step 6: Final answer
    x = 216,651.30

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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.