Home / 218,413.04-327,666.34-123,688.00

Finding the Fourth Proportional to 218,413.04, 327,666.34 and 123,688.00

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Solution

The fourth proportional to 218,413.04, 327,666.34 and 123,688.00 is: 185,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,413.04 : 327,666.34 = 123,688.00 : x
  2. Step 2: Convert to fraction form
    218,413.04/327,666.34 = 123,688.00/x
  3. Step 3: Cross multiply
    218,413.04x = 327,666.34 × 123,688.00
  4. Step 4: Simplify right side
    218,413.04x = 40,528,392,635.12
  5. Step 5: Solve for x
    x = 40,528,392,635.12/218,413.04
  6. Step 6: Final answer
    x = 185,558.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.