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Finding the Fourth Proportional to 275,537.72, 380,196.78 and 162,345.08

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Solution

The fourth proportional to 275,537.72, 380,196.78 and 162,345.08 is: 224,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,537.72 : 380,196.78 = 162,345.08 : x
  2. Step 2: Convert to fraction form
    275,537.72/380,196.78 = 162,345.08/x
  3. Step 3: Cross multiply
    275,537.72x = 380,196.78 × 162,345.08
  4. Step 4: Simplify right side
    275,537.72x = 61,723,076,664.84
  5. Step 5: Solve for x
    x = 61,723,076,664.84/275,537.72
  6. Step 6: Final answer
    x = 224,009.54

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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.