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Finding the Fourth Proportional to 230,550.30, 318,111.30 and 139,953.96

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Solution

The fourth proportional to 230,550.30, 318,111.30 and 139,953.96 is: 193,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,550.30 : 318,111.30 = 139,953.96 : x
  2. Step 2: Convert to fraction form
    230,550.30/318,111.30 = 139,953.96/x
  3. Step 3: Cross multiply
    230,550.30x = 318,111.30 × 139,953.96
  4. Step 4: Simplify right side
    230,550.30x = 44,520,936,155.75
  5. Step 5: Solve for x
    x = 44,520,936,155.75/230,550.30
  6. Step 6: Final answer
    x = 193,107.26

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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.