Home / 281,831.40-422,747.10-94,823.40

Finding the Fourth Proportional to 281,831.40, 422,747.10 and 94,823.40

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Solution

The fourth proportional to 281,831.40, 422,747.10 and 94,823.40 is: 142,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,831.40 : 422,747.10 = 94,823.40 : x
  2. Step 2: Convert to fraction form
    281,831.40/422,747.10 = 94,823.40/x
  3. Step 3: Cross multiply
    281,831.40x = 422,747.10 × 94,823.40
  4. Step 4: Simplify right side
    281,831.40x = 40,086,317,362.14
  5. Step 5: Solve for x
    x = 40,086,317,362.14/281,831.40
  6. Step 6: Final answer
    x = 142,235.10

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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.