Home / 357,845.80-493,873.92-230,890.72

Finding the Fourth Proportional to 357,845.80, 493,873.92 and 230,890.72

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Solution

The fourth proportional to 357,845.80, 493,873.92 and 230,890.72 is: 318,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,845.80 : 493,873.92 = 230,890.72 : x
  2. Step 2: Convert to fraction form
    357,845.80/493,873.92 = 230,890.72/x
  3. Step 3: Cross multiply
    357,845.80x = 493,873.92 × 230,890.72
  4. Step 4: Simplify right side
    357,845.80x = 114,030,904,978.02
  5. Step 5: Solve for x
    x = 114,030,904,978.02/357,845.80
  6. Step 6: Final answer
    x = 318,659.34

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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.