Home / 287,407.47-396,603.16-166,527.19

Finding the Fourth Proportional to 287,407.47, 396,603.16 and 166,527.19

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Solution

The fourth proportional to 287,407.47, 396,603.16 and 166,527.19 is: 229,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,407.47 : 396,603.16 = 166,527.19 : x
  2. Step 2: Convert to fraction form
    287,407.47/396,603.16 = 166,527.19/x
  3. Step 3: Cross multiply
    287,407.47x = 396,603.16 × 166,527.19
  4. Step 4: Simplify right side
    287,407.47x = 66,045,209,779.92
  5. Step 5: Solve for x
    x = 66,045,209,779.92/287,407.47
  6. Step 6: Final answer
    x = 229,796.43

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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.