Home / 229,984.85-317,378.61-129,382.85

Finding the Fourth Proportional to 229,984.85, 317,378.61 and 129,382.85

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Solution

The fourth proportional to 229,984.85, 317,378.61 and 129,382.85 is: 178,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,984.85 : 317,378.61 = 129,382.85 : x
  2. Step 2: Convert to fraction form
    229,984.85/317,378.61 = 129,382.85/x
  3. Step 3: Cross multiply
    229,984.85x = 317,378.61 × 129,382.85
  4. Step 4: Simplify right side
    229,984.85x = 41,063,349,090.84
  5. Step 5: Solve for x
    x = 41,063,349,090.84/229,984.85
  6. Step 6: Final answer
    x = 178,548.06

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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.