Home / 287,538.13-396,804.20-166,751.03

Finding the Fourth Proportional to 287,538.13, 396,804.20 and 166,751.03

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Solution

The fourth proportional to 287,538.13, 396,804.20 and 166,751.03 is: 230,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,538.13 : 396,804.20 = 166,751.03 : x
  2. Step 2: Convert to fraction form
    287,538.13/396,804.20 = 166,751.03/x
  3. Step 3: Cross multiply
    287,538.13x = 396,804.20 × 166,751.03
  4. Step 4: Simplify right side
    287,538.13x = 66,167,509,216.58
  5. Step 5: Solve for x
    x = 66,167,509,216.58/287,538.13
  6. Step 6: Final answer
    x = 230,117.34

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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.