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Finding the Fourth Proportional to 378,841.60, 568,569.60 and 366,553.60

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Solution

The fourth proportional to 378,841.60, 568,569.60 and 366,553.60 is: 550,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,841.60 : 568,569.60 = 366,553.60 : x
  2. Step 2: Convert to fraction form
    378,841.60/568,569.60 = 366,553.60/x
  3. Step 3: Cross multiply
    378,841.60x = 568,569.60 × 366,553.60
  4. Step 4: Simplify right side
    378,841.60x = 208,411,233,730.56
  5. Step 5: Solve for x
    x = 208,411,233,730.56/378,841.60
  6. Step 6: Final answer
    x = 550,127.64

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1.5x scale

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.