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Finding the Fourth Proportional to 333,393.66, 499,585.37 and 220,670.06

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Solution

The fourth proportional to 333,393.66, 499,585.37 and 220,670.06 is: 330,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,393.66 : 499,585.37 = 220,670.06 : x
  2. Step 2: Convert to fraction form
    333,393.66/499,585.37 = 220,670.06/x
  3. Step 3: Cross multiply
    333,393.66x = 499,585.37 × 220,670.06
  4. Step 4: Simplify right side
    333,393.66x = 110,243,529,971.75
  5. Step 5: Solve for x
    x = 110,243,529,971.75/333,393.66
  6. Step 6: Final answer
    x = 330,670.75

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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.