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Finding the Fourth Proportional to 234,445.06, 323,533.74 and 127,018

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Solution

The fourth proportional to 234,445.06, 323,533.74 and 127,018 is: 175,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,445.06 : 323,533.74 = 127,018 : x
  2. Step 2: Convert to fraction form
    234,445.06/323,533.74 = 127,018/x
  3. Step 3: Cross multiply
    234,445.06x = 323,533.74 × 127,018
  4. Step 4: Simplify right side
    234,445.06x = 41,094,608,587.32
  5. Step 5: Solve for x
    x = 41,094,608,587.32/234,445.06
  6. Step 6: Final answer
    x = 175,284.60

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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.