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Finding the Fourth Proportional to 227,210.28, 340,802.96 and 69,438.64

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Solution

The fourth proportional to 227,210.28, 340,802.96 and 69,438.64 is: 104,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,210.28 : 340,802.96 = 69,438.64 : x
  2. Step 2: Convert to fraction form
    227,210.28/340,802.96 = 69,438.64/x
  3. Step 3: Cross multiply
    227,210.28x = 340,802.96 × 69,438.64
  4. Step 4: Simplify right side
    227,210.28x = 23,664,894,050.37
  5. Step 5: Solve for x
    x = 23,664,894,050.37/227,210.28
  6. Step 6: Final answer
    x = 104,154.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.