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Finding the Fourth Proportional to 341,975.44, 512,971.92 and 162,018.73

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Solution

The fourth proportional to 341,975.44, 512,971.92 and 162,018.73 is: 243,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,975.44 : 512,971.92 = 162,018.73 : x
  2. Step 2: Convert to fraction form
    341,975.44/512,971.92 = 162,018.73/x
  3. Step 3: Cross multiply
    341,975.44x = 512,971.92 × 162,018.73
  4. Step 4: Simplify right side
    341,975.44x = 83,111,059,004.06
  5. Step 5: Solve for x
    x = 83,111,059,004.06/341,975.44
  6. Step 6: Final answer
    x = 243,032.25

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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.