Home / 227,318.40-312,951.60-216,097.20

Finding the Fourth Proportional to 227,318.40, 312,951.60 and 216,097.20

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Solution

The fourth proportional to 227,318.40, 312,951.60 and 216,097.20 is: 297,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,318.40 : 312,951.60 = 216,097.20 : x
  2. Step 2: Convert to fraction form
    227,318.40/312,951.60 = 216,097.20/x
  3. Step 3: Cross multiply
    227,318.40x = 312,951.60 × 216,097.20
  4. Step 4: Simplify right side
    227,318.40x = 67,627,964,495.52
  5. Step 5: Solve for x
    x = 67,627,964,495.52/227,318.40
  6. Step 6: Final answer
    x = 297,503.26

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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.