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Finding the Fourth Proportional to 256,896.48, 354,528.32 and 158,801.44

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Solution

The fourth proportional to 256,896.48, 354,528.32 and 158,801.44 is: 219,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,896.48 : 354,528.32 = 158,801.44 : x
  2. Step 2: Convert to fraction form
    256,896.48/354,528.32 = 158,801.44/x
  3. Step 3: Cross multiply
    256,896.48x = 354,528.32 × 158,801.44
  4. Step 4: Simplify right side
    256,896.48x = 56,299,607,736.78
  5. Step 5: Solve for x
    x = 56,299,607,736.78/256,896.48
  6. Step 6: Final answer
    x = 219,152.90

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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.