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Finding the Fourth Proportional to 336,451.65, 464,313.65 and 193,240.41

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Solution

The fourth proportional to 336,451.65, 464,313.65 and 193,240.41 is: 266,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,451.65 : 464,313.65 = 193,240.41 : x
  2. Step 2: Convert to fraction form
    336,451.65/464,313.65 = 193,240.41/x
  3. Step 3: Cross multiply
    336,451.65x = 464,313.65 × 193,240.41
  4. Step 4: Simplify right side
    336,451.65x = 89,724,159,128.39
  5. Step 5: Solve for x
    x = 89,724,159,128.39/336,451.65
  6. Step 6: Final answer
    x = 266,677.72

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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.