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Finding the Fourth Proportional to 333,014.72, 459,420.96 and 218,320.88

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Solution

The fourth proportional to 333,014.72, 459,420.96 and 218,320.88 is: 301,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,014.72 : 459,420.96 = 218,320.88 : x
  2. Step 2: Convert to fraction form
    333,014.72/459,420.96 = 218,320.88/x
  3. Step 3: Cross multiply
    333,014.72x = 459,420.96 × 218,320.88
  4. Step 4: Simplify right side
    333,014.72x = 100,301,188,277.65
  5. Step 5: Solve for x
    x = 100,301,188,277.65/333,014.72
  6. Step 6: Final answer
    x = 301,191.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.