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Finding the Fourth Proportional to 301,814.40, 452,721.60 and 151,996.80

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Solution

The fourth proportional to 301,814.40, 452,721.60 and 151,996.80 is: 227,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,814.40 : 452,721.60 = 151,996.80 : x
  2. Step 2: Convert to fraction form
    301,814.40/452,721.60 = 151,996.80/x
  3. Step 3: Cross multiply
    301,814.40x = 452,721.60 × 151,996.80
  4. Step 4: Simplify right side
    301,814.40x = 68,812,234,490.88
  5. Step 5: Solve for x
    x = 68,812,234,490.88/301,814.40
  6. Step 6: Final answer
    x = 227,995.20

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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.