Home / 361,413.04-498,586.44-218,127.28

Finding the Fourth Proportional to 361,413.04, 498,586.44 and 218,127.28

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Solution

The fourth proportional to 361,413.04, 498,586.44 and 218,127.28 is: 300,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,413.04 : 498,586.44 = 218,127.28 : x
  2. Step 2: Convert to fraction form
    361,413.04/498,586.44 = 218,127.28/x
  3. Step 3: Cross multiply
    361,413.04x = 498,586.44 × 218,127.28
  4. Step 4: Simplify right side
    361,413.04x = 108,755,304,002.08
  5. Step 5: Solve for x
    x = 108,755,304,002.08/361,413.04
  6. Step 6: Final answer
    x = 300,916.93

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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.