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Finding the Fourth Proportional to 336,483.88, 464,419.61 and 193,322.86

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Solution

The fourth proportional to 336,483.88, 464,419.61 and 193,322.86 is: 266,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,483.88 : 464,419.61 = 193,322.86 : x
  2. Step 2: Convert to fraction form
    336,483.88/464,419.61 = 193,322.86/x
  3. Step 3: Cross multiply
    336,483.88x = 464,419.61 × 193,322.86
  4. Step 4: Simplify right side
    336,483.88x = 89,782,925,117.62
  5. Step 5: Solve for x
    x = 89,782,925,117.62/336,483.88
  6. Step 6: Final answer
    x = 266,826.83

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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.