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Finding the Fourth Proportional to 242,055.78, 333,996.21 and 134,611.62

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Solution

The fourth proportional to 242,055.78, 333,996.21 and 134,611.62 is: 185,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,055.78 : 333,996.21 = 134,611.62 : x
  2. Step 2: Convert to fraction form
    242,055.78/333,996.21 = 134,611.62/x
  3. Step 3: Cross multiply
    242,055.78x = 333,996.21 × 134,611.62
  4. Step 4: Simplify right side
    242,055.78x = 44,959,770,901.96
  5. Step 5: Solve for x
    x = 44,959,770,901.96/242,055.78
  6. Step 6: Final answer
    x = 185,741.36

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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.