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Finding the Fourth Proportional to 333,111.20, 499,666.80 and 304,080.80

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Solution

The fourth proportional to 333,111.20, 499,666.80 and 304,080.80 is: 456,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,111.20 : 499,666.80 = 304,080.80 : x
  2. Step 2: Convert to fraction form
    333,111.20/499,666.80 = 304,080.80/x
  3. Step 3: Cross multiply
    333,111.20x = 499,666.80 × 304,080.80
  4. Step 4: Simplify right side
    333,111.20x = 151,939,080,277.44
  5. Step 5: Solve for x
    x = 151,939,080,277.44/333,111.20
  6. Step 6: Final answer
    x = 456,121.20

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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.