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Finding the Fourth Proportional to 459,327.88, 633,907.99 and 275,573.37

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Solution

The fourth proportional to 459,327.88, 633,907.99 and 275,573.37 is: 380,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,327.88 : 633,907.99 = 275,573.37 : x
  2. Step 2: Convert to fraction form
    459,327.88/633,907.99 = 275,573.37/x
  3. Step 3: Cross multiply
    459,327.88x = 633,907.99 × 275,573.37
  4. Step 4: Simplify right side
    459,327.88x = 174,688,161,074.23
  5. Step 5: Solve for x
    x = 174,688,161,074.23/459,327.88
  6. Step 6: Final answer
    x = 380,312.56

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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.