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Finding the Fourth Proportional to 459,314.15, 633,889.01 and 275,559.62

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Solution

The fourth proportional to 459,314.15, 633,889.01 and 275,559.62 is: 380,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,314.15 : 633,889.01 = 275,559.62 : x
  2. Step 2: Convert to fraction form
    459,314.15/633,889.01 = 275,559.62/x
  3. Step 3: Cross multiply
    459,314.15x = 633,889.01 × 275,559.62
  4. Step 4: Simplify right side
    459,314.15x = 174,674,214,924.70
  5. Step 5: Solve for x
    x = 174,674,214,924.70/459,314.15
  6. Step 6: Final answer
    x = 380,293.56

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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.