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Finding the Fourth Proportional to 333,009.81, 459,246.81 and 218,246.65

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Solution

The fourth proportional to 333,009.81, 459,246.81 and 218,246.65 is: 300,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,009.81 : 459,246.81 = 218,246.65 : x
  2. Step 2: Convert to fraction form
    333,009.81/459,246.81 = 218,246.65/x
  3. Step 3: Cross multiply
    333,009.81x = 459,246.81 × 218,246.65
  4. Step 4: Simplify right side
    333,009.81x = 100,229,077,475.99
  5. Step 5: Solve for x
    x = 100,229,077,475.99/333,009.81
  6. Step 6: Final answer
    x = 300,979.35

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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.