Home / 254,487.08-350,997.54-172,878.28

Finding the Fourth Proportional to 254,487.08, 350,997.54 and 172,878.28

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Solution

The fourth proportional to 254,487.08, 350,997.54 and 172,878.28 is: 238,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,487.08 : 350,997.54 = 172,878.28 : x
  2. Step 2: Convert to fraction form
    254,487.08/350,997.54 = 172,878.28/x
  3. Step 3: Cross multiply
    254,487.08x = 350,997.54 × 172,878.28
  4. Step 4: Simplify right side
    254,487.08x = 60,679,850,999.43
  5. Step 5: Solve for x
    x = 60,679,850,999.43/254,487.08
  6. Step 6: Final answer
    x = 238,439.81

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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.