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Finding the Fourth Proportional to 336,303.74, 504,107.96 and 156,242.27

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Solution

The fourth proportional to 336,303.74, 504,107.96 and 156,242.27 is: 234,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,303.74 : 504,107.96 = 156,242.27 : x
  2. Step 2: Convert to fraction form
    336,303.74/504,107.96 = 156,242.27/x
  3. Step 3: Cross multiply
    336,303.74x = 504,107.96 × 156,242.27
  4. Step 4: Simplify right side
    336,303.74x = 78,762,968,693.72
  5. Step 5: Solve for x
    x = 78,762,968,693.72/336,303.74
  6. Step 6: Final answer
    x = 234,201.89

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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.