Home / 357,820.38-493,246.32-303,170.85

Finding the Fourth Proportional to 357,820.38, 493,246.32 and 303,170.85

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Solution

The fourth proportional to 357,820.38, 493,246.32 and 303,170.85 is: 417,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,820.38 : 493,246.32 = 303,170.85 : x
  2. Step 2: Convert to fraction form
    357,820.38/493,246.32 = 303,170.85/x
  3. Step 3: Cross multiply
    357,820.38x = 493,246.32 × 303,170.85
  4. Step 4: Simplify right side
    357,820.38x = 149,537,906,093.77
  5. Step 5: Solve for x
    x = 149,537,906,093.77/357,820.38
  6. Step 6: Final answer
    x = 417,913.33

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1.5x scale

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.