Home / 375,413.03-518,070.61-203,331.36

Finding the Fourth Proportional to 375,413.03, 518,070.61 and 203,331.36

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Solution

The fourth proportional to 375,413.03, 518,070.61 and 203,331.36 is: 280,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,413.03 : 518,070.61 = 203,331.36 : x
  2. Step 2: Convert to fraction form
    375,413.03/518,070.61 = 203,331.36/x
  3. Step 3: Cross multiply
    375,413.03x = 518,070.61 × 203,331.36
  4. Step 4: Simplify right side
    375,413.03x = 105,340,001,707.33
  5. Step 5: Solve for x
    x = 105,340,001,707.33/375,413.03
  6. Step 6: Final answer
    x = 280,597.62

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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.