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Finding the Fourth Proportional to 384,329.70, 576,494.55 and 356,336.10

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Solution

The fourth proportional to 384,329.70, 576,494.55 and 356,336.10 is: 534,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,329.70 : 576,494.55 = 356,336.10 : x
  2. Step 2: Convert to fraction form
    384,329.70/576,494.55 = 356,336.10/x
  3. Step 3: Cross multiply
    384,329.70x = 576,494.55 × 356,336.10
  4. Step 4: Simplify right side
    384,329.70x = 205,425,819,618.26
  5. Step 5: Solve for x
    x = 205,425,819,618.26/384,329.70
  6. Step 6: Final answer
    x = 534,504.15

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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.