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Finding the Fourth Proportional to 468,574.58, 702,855.57 and 113,591.66

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Solution

The fourth proportional to 468,574.58, 702,855.57 and 113,591.66 is: 170,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,574.58 : 702,855.57 = 113,591.66 : x
  2. Step 2: Convert to fraction form
    468,574.58/702,855.57 = 113,591.66/x
  3. Step 3: Cross multiply
    468,574.58x = 702,855.57 × 113,591.66
  4. Step 4: Simplify right side
    468,574.58x = 79,838,530,936.55
  5. Step 5: Solve for x
    x = 79,838,530,936.55/468,574.58
  6. Step 6: Final answer
    x = 170,385.96

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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.