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Finding the Fourth Proportional to 336,684.60, 464,624.22 and 185,781.48

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Solution

The fourth proportional to 336,684.60, 464,624.22 and 185,781.48 is: 256,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,684.60 : 464,624.22 = 185,781.48 : x
  2. Step 2: Convert to fraction form
    336,684.60/464,624.22 = 185,781.48/x
  3. Step 3: Cross multiply
    336,684.60x = 464,624.22 × 185,781.48
  4. Step 4: Simplify right side
    336,684.60x = 86,318,575,235.45
  5. Step 5: Solve for x
    x = 86,318,575,235.45/336,684.60
  6. Step 6: Final answer
    x = 256,378.15

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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.