Home / 357,733.80-493,719.30-230,778.72

Finding the Fourth Proportional to 357,733.80, 493,719.30 and 230,778.72

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Solution

The fourth proportional to 357,733.80, 493,719.30 and 230,778.72 is: 318,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,733.80 : 493,719.30 = 230,778.72 : x
  2. Step 2: Convert to fraction form
    357,733.80/493,719.30 = 230,778.72/x
  3. Step 3: Cross multiply
    357,733.80x = 493,719.30 × 230,778.72
  4. Step 4: Simplify right side
    357,733.80x = 113,939,908,093.30
  5. Step 5: Solve for x
    x = 113,939,908,093.30/357,733.80
  6. Step 6: Final answer
    x = 318,504.73

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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.