Home / 347,669.27-521,723.28-147,989.33

Finding the Fourth Proportional to 347,669.27, 521,723.28 and 147,989.33

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Solution

The fourth proportional to 347,669.27, 521,723.28 and 147,989.33 is: 222,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,669.27 : 521,723.28 = 147,989.33 : x
  2. Step 2: Convert to fraction form
    347,669.27/521,723.28 = 147,989.33/x
  3. Step 3: Cross multiply
    347,669.27x = 521,723.28 × 147,989.33
  4. Step 4: Simplify right side
    347,669.27x = 77,209,477,912.66
  5. Step 5: Solve for x
    x = 77,209,477,912.66/347,669.27
  6. Step 6: Final answer
    x = 222,077.38

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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.