Home / 354,226.27-531,227.60-140,901.43

Finding the Fourth Proportional to 354,226.27, 531,227.60 and 140,901.43

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Solution

The fourth proportional to 354,226.27, 531,227.60 and 140,901.43 is: 211,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,226.27 : 531,227.60 = 140,901.43 : x
  2. Step 2: Convert to fraction form
    354,226.27/531,227.60 = 140,901.43/x
  3. Step 3: Cross multiply
    354,226.27x = 531,227.60 × 140,901.43
  4. Step 4: Simplify right side
    354,226.27x = 74,850,727,790.96
  5. Step 5: Solve for x
    x = 74,850,727,790.96/354,226.27
  6. Step 6: Final answer
    x = 211,307.67

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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.