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Finding the Fourth Proportional to 333,663.20, 499,838.70 and 310,043.60

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Solution

The fourth proportional to 333,663.20, 499,838.70 and 310,043.60 is: 464,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,663.20 : 499,838.70 = 310,043.60 : x
  2. Step 2: Convert to fraction form
    333,663.20/499,838.70 = 310,043.60/x
  3. Step 3: Cross multiply
    333,663.20x = 499,838.70 × 310,043.60
  4. Step 4: Simplify right side
    333,663.20x = 154,971,789,967.32
  5. Step 5: Solve for x
    x = 154,971,789,967.32/333,663.20
  6. Step 6: Final answer
    x = 464,455.74

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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.