Home / 256,512.22-384,838.80-106,822.60

Finding the Fourth Proportional to 256,512.22, 384,838.80 and 106,822.60

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Solution

The fourth proportional to 256,512.22, 384,838.80 and 106,822.60 is: 160,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,512.22 : 384,838.80 = 106,822.60 : x
  2. Step 2: Convert to fraction form
    256,512.22/384,838.80 = 106,822.60/x
  3. Step 3: Cross multiply
    256,512.22x = 384,838.80 × 106,822.60
  4. Step 4: Simplify right side
    256,512.22x = 41,109,481,196.88
  5. Step 5: Solve for x
    x = 41,109,481,196.88/256,512.22
  6. Step 6: Final answer
    x = 160,263.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.