Home / 229,966.60-317,353.38-129,364.60

Finding the Fourth Proportional to 229,966.60, 317,353.38 and 129,364.60

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Solution

The fourth proportional to 229,966.60, 317,353.38 and 129,364.60 is: 178,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,966.60 : 317,353.38 = 129,364.60 : x
  2. Step 2: Convert to fraction form
    229,966.60/317,353.38 = 129,364.60/x
  3. Step 3: Cross multiply
    229,966.60x = 317,353.38 × 129,364.60
  4. Step 4: Simplify right side
    229,966.60x = 41,054,293,062.35
  5. Step 5: Solve for x
    x = 41,054,293,062.35/229,966.60
  6. Step 6: Final answer
    x = 178,522.85

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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.