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Finding the Fourth Proportional to 256,577.92, 384,923.58 and 88,094.41

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Solution

The fourth proportional to 256,577.92, 384,923.58 and 88,094.41 is: 132,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,577.92 : 384,923.58 = 88,094.41 : x
  2. Step 2: Convert to fraction form
    256,577.92/384,923.58 = 88,094.41/x
  3. Step 3: Cross multiply
    256,577.92x = 384,923.58 × 88,094.41
  4. Step 4: Simplify right side
    256,577.92x = 33,909,615,675.19
  5. Step 5: Solve for x
    x = 33,909,615,675.19/256,577.92
  6. Step 6: Final answer
    x = 132,161.08

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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.