Home / 634,021.28-951,022.32-154,253.60

Finding the Fourth Proportional to 634,021.28, 951,022.32 and 154,253.60

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Solution

The fourth proportional to 634,021.28, 951,022.32 and 154,253.60 is: 231,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,021.28 : 951,022.32 = 154,253.60 : x
  2. Step 2: Convert to fraction form
    634,021.28/951,022.32 = 154,253.60/x
  3. Step 3: Cross multiply
    634,021.28x = 951,022.32 × 154,253.60
  4. Step 4: Simplify right side
    634,021.28x = 146,698,616,540.35
  5. Step 5: Solve for x
    x = 146,698,616,540.35/634,021.28
  6. Step 6: Final answer
    x = 231,378.06

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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.