Home / 303,972.21-419,468.58-167,999.13

Finding the Fourth Proportional to 303,972.21, 419,468.58 and 167,999.13

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Solution

The fourth proportional to 303,972.21, 419,468.58 and 167,999.13 is: 231,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,972.21 : 419,468.58 = 167,999.13 : x
  2. Step 2: Convert to fraction form
    303,972.21/419,468.58 = 167,999.13/x
  3. Step 3: Cross multiply
    303,972.21x = 419,468.58 × 167,999.13
  4. Step 4: Simplify right side
    303,972.21x = 70,470,356,502.34
  5. Step 5: Solve for x
    x = 70,470,356,502.34/303,972.21
  6. Step 6: Final answer
    x = 231,831.58

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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.