Home / 287,362.92-396,560.64-166,574.19

Finding the Fourth Proportional to 287,362.92, 396,560.64 and 166,574.19

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Solution

The fourth proportional to 287,362.92, 396,560.64 and 166,574.19 is: 229,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,362.92 : 396,560.64 = 166,574.19 : x
  2. Step 2: Convert to fraction form
    287,362.92/396,560.64 = 166,574.19/x
  3. Step 3: Cross multiply
    287,362.92x = 396,560.64 × 166,574.19
  4. Step 4: Simplify right side
    287,362.92x = 66,056,767,393.88
  5. Step 5: Solve for x
    x = 66,056,767,393.88/287,362.92
  6. Step 6: Final answer
    x = 229,872.27

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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.