Home / 347,371.32-521,305.83-147,831.87

Finding the Fourth Proportional to 347,371.32, 521,305.83 and 147,831.87

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Solution

The fourth proportional to 347,371.32, 521,305.83 and 147,831.87 is: 221,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,371.32 : 521,305.83 = 147,831.87 : x
  2. Step 2: Convert to fraction form
    347,371.32/521,305.83 = 147,831.87/x
  3. Step 3: Cross multiply
    347,371.32x = 521,305.83 × 147,831.87
  4. Step 4: Simplify right side
    347,371.32x = 77,065,615,690.80
  5. Step 5: Solve for x
    x = 77,065,615,690.80/347,371.32
  6. Step 6: Final answer
    x = 221,853.71

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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.