Home / 229,914.86-317,310.13-139,268.17

Finding the Fourth Proportional to 229,914.86, 317,310.13 and 139,268.17

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Solution

The fourth proportional to 229,914.86, 317,310.13 and 139,268.17 is: 192,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,914.86 : 317,310.13 = 139,268.17 : x
  2. Step 2: Convert to fraction form
    229,914.86/317,310.13 = 139,268.17/x
  3. Step 3: Cross multiply
    229,914.86x = 317,310.13 × 139,268.17
  4. Step 4: Simplify right side
    229,914.86x = 44,191,200,508.37
  5. Step 5: Solve for x
    x = 44,191,200,508.37/229,914.86
  6. Step 6: Final answer
    x = 192,206.80

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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.