Home / 306,822.01-423,413.92-170,867.84

Finding the Fourth Proportional to 306,822.01, 423,413.92 and 170,867.84

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Solution

The fourth proportional to 306,822.01, 423,413.92 and 170,867.84 is: 235,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,822.01 : 423,413.92 = 170,867.84 : x
  2. Step 2: Convert to fraction form
    306,822.01/423,413.92 = 170,867.84/x
  3. Step 3: Cross multiply
    306,822.01x = 423,413.92 × 170,867.84
  4. Step 4: Simplify right side
    306,822.01x = 72,347,821,936.33
  5. Step 5: Solve for x
    x = 72,347,821,936.33/306,822.01
  6. Step 6: Final answer
    x = 235,797.37

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1.5x scale

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.