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Finding the Fourth Proportional to 155,558.40, 233,078.40 and 146,227.20

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Solution

The fourth proportional to 155,558.40, 233,078.40 and 146,227.20 is: 219,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,558.40 : 233,078.40 = 146,227.20 : x
  2. Step 2: Convert to fraction form
    155,558.40/233,078.40 = 146,227.20/x
  3. Step 3: Cross multiply
    155,558.40x = 233,078.40 × 146,227.20
  4. Step 4: Simplify right side
    155,558.40x = 34,082,401,812.48
  5. Step 5: Solve for x
    x = 34,082,401,812.48/155,558.40
  6. Step 6: Final answer
    x = 219,097.15

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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.