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Finding the Fourth Proportional to 328,809.60, 493,732.80 and 188,841.60

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Solution

The fourth proportional to 328,809.60, 493,732.80 and 188,841.60 is: 283,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,809.60 : 493,732.80 = 188,841.60 : x
  2. Step 2: Convert to fraction form
    328,809.60/493,732.80 = 188,841.60/x
  3. Step 3: Cross multiply
    328,809.60x = 493,732.80 × 188,841.60
  4. Step 4: Simplify right side
    328,809.60x = 93,237,291,924.48
  5. Step 5: Solve for x
    x = 93,237,291,924.48/328,809.60
  6. Step 6: Final answer
    x = 283,560.13

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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.