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Finding the Fourth Proportional to 308,889.60, 463,593.60 and 151,252.80

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Solution

The fourth proportional to 308,889.60, 463,593.60 and 151,252.80 is: 227,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,889.60 : 463,593.60 = 151,252.80 : x
  2. Step 2: Convert to fraction form
    308,889.60/463,593.60 = 151,252.80/x
  3. Step 3: Cross multiply
    308,889.60x = 463,593.60 × 151,252.80
  4. Step 4: Simplify right side
    308,889.60x = 70,119,830,062.08
  5. Step 5: Solve for x
    x = 70,119,830,062.08/308,889.60
  6. Step 6: Final answer
    x = 227,006.12

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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.