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Finding the Fourth Proportional to 335,626.74, 462,978.18 and 254,926.44

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Solution

The fourth proportional to 335,626.74, 462,978.18 and 254,926.44 is: 351,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,626.74 : 462,978.18 = 254,926.44 : x
  2. Step 2: Convert to fraction form
    335,626.74/462,978.18 = 254,926.44/x
  3. Step 3: Cross multiply
    335,626.74x = 462,978.18 × 254,926.44
  4. Step 4: Simplify right side
    335,626.74x = 118,025,379,225.08
  5. Step 5: Solve for x
    x = 118,025,379,225.08/335,626.74
  6. Step 6: Final answer
    x = 351,656.66

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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.