Home / 287,388.23-396,595.48-166,599.53

Finding the Fourth Proportional to 287,388.23, 396,595.48 and 166,599.53

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Solution

The fourth proportional to 287,388.23, 396,595.48 and 166,599.53 is: 229,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,388.23 : 396,595.48 = 166,599.53 : x
  2. Step 2: Convert to fraction form
    287,388.23/396,595.48 = 166,599.53/x
  3. Step 3: Cross multiply
    287,388.23x = 396,595.48 × 166,599.53
  4. Step 4: Simplify right side
    287,388.23x = 66,072,620,568.12
  5. Step 5: Solve for x
    x = 66,072,620,568.12/287,388.23
  6. Step 6: Final answer
    x = 229,907.19

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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.