Home / 439,505.84-659,274.96-123,971.16

Finding the Fourth Proportional to 439,505.84, 659,274.96 and 123,971.16

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Solution

The fourth proportional to 439,505.84, 659,274.96 and 123,971.16 is: 185,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,505.84 : 659,274.96 = 123,971.16 : x
  2. Step 2: Convert to fraction form
    439,505.84/659,274.96 = 123,971.16/x
  3. Step 3: Cross multiply
    439,505.84x = 659,274.96 × 123,971.16
  4. Step 4: Simplify right side
    439,505.84x = 81,731,081,550.15
  5. Step 5: Solve for x
    x = 81,731,081,550.15/439,505.84
  6. Step 6: Final answer
    x = 185,961.31

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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.