Home / 357,444.31-493,149.81-228,458.29

Finding the Fourth Proportional to 357,444.31, 493,149.81 and 228,458.29

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Solution

The fourth proportional to 357,444.31, 493,149.81 and 228,458.29 is: 315,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,444.31 : 493,149.81 = 228,458.29 : x
  2. Step 2: Convert to fraction form
    357,444.31/493,149.81 = 228,458.29/x
  3. Step 3: Cross multiply
    357,444.31x = 493,149.81 × 228,458.29
  4. Step 4: Simplify right side
    357,444.31x = 112,664,162,306.43
  5. Step 5: Solve for x
    x = 112,664,162,306.43/357,444.31
  6. Step 6: Final answer
    x = 315,193.61

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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.