Home / 290,141.24-400,413.04-167,638.88

Finding the Fourth Proportional to 290,141.24, 400,413.04 and 167,638.88

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Solution

The fourth proportional to 290,141.24, 400,413.04 and 167,638.88 is: 231,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,141.24 : 400,413.04 = 167,638.88 : x
  2. Step 2: Convert to fraction form
    290,141.24/400,413.04 = 167,638.88/x
  3. Step 3: Cross multiply
    290,141.24x = 400,413.04 × 167,638.88
  4. Step 4: Simplify right side
    290,141.24x = 67,124,793,563.00
  5. Step 5: Solve for x
    x = 67,124,793,563.00/290,141.24
  6. Step 6: Final answer
    x = 231,352.13

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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.