Home / 305,887.32-422,192.02-169,968

Finding the Fourth Proportional to 305,887.32, 422,192.02 and 169,968

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Solution

The fourth proportional to 305,887.32, 422,192.02 and 169,968 is: 234,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,887.32 : 422,192.02 = 169,968 : x
  2. Step 2: Convert to fraction form
    305,887.32/422,192.02 = 169,968/x
  3. Step 3: Cross multiply
    305,887.32x = 422,192.02 × 169,968
  4. Step 4: Simplify right side
    305,887.32x = 71,759,133,255.36
  5. Step 5: Solve for x
    x = 71,759,133,255.36/305,887.32
  6. Step 6: Final answer
    x = 234,593.36

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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.