Home / 287,896.06-397,375.64-167,076.26

Finding the Fourth Proportional to 287,896.06, 397,375.64 and 167,076.26

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Solution

The fourth proportional to 287,896.06, 397,375.64 and 167,076.26 is: 230,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,896.06 : 397,375.64 = 167,076.26 : x
  2. Step 2: Convert to fraction form
    287,896.06/397,375.64 = 167,076.26/x
  3. Step 3: Cross multiply
    287,896.06x = 397,375.64 × 167,076.26
  4. Step 4: Simplify right side
    287,896.06x = 66,392,035,746.31
  5. Step 5: Solve for x
    x = 66,392,035,746.31/287,896.06
  6. Step 6: Final answer
    x = 230,611.13

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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.