Home / 239,831.28-330,995.16-199,473.84

Finding the Fourth Proportional to 239,831.28, 330,995.16 and 199,473.84

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Solution

The fourth proportional to 239,831.28, 330,995.16 and 199,473.84 is: 275,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,831.28 : 330,995.16 = 199,473.84 : x
  2. Step 2: Convert to fraction form
    239,831.28/330,995.16 = 199,473.84/x
  3. Step 3: Cross multiply
    239,831.28x = 330,995.16 × 199,473.84
  4. Step 4: Simplify right side
    239,831.28x = 66,024,875,586.61
  5. Step 5: Solve for x
    x = 66,024,875,586.61/239,831.28
  6. Step 6: Final answer
    x = 275,297.18

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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.