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Finding the Fourth Proportional to 468,752.12, 703,169.71 and 131,795.72

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Solution

The fourth proportional to 468,752.12, 703,169.71 and 131,795.72 is: 197,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,752.12 : 703,169.71 = 131,795.72 : x
  2. Step 2: Convert to fraction form
    468,752.12/703,169.71 = 131,795.72/x
  3. Step 3: Cross multiply
    468,752.12x = 703,169.71 × 131,795.72
  4. Step 4: Simplify right side
    468,752.12x = 92,674,758,211.64
  5. Step 5: Solve for x
    x = 92,674,758,211.64/468,752.12
  6. Step 6: Final answer
    x = 197,705.26

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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.