Home / 427,619.55-590,074.89-255,503.25

Finding the Fourth Proportional to 427,619.55, 590,074.89 and 255,503.25

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Solution

The fourth proportional to 427,619.55, 590,074.89 and 255,503.25 is: 352,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,619.55 : 590,074.89 = 255,503.25 : x
  2. Step 2: Convert to fraction form
    427,619.55/590,074.89 = 255,503.25/x
  3. Step 3: Cross multiply
    427,619.55x = 590,074.89 × 255,503.25
  4. Step 4: Simplify right side
    427,619.55x = 150,766,052,138.39
  5. Step 5: Solve for x
    x = 150,766,052,138.39/427,619.55
  6. Step 6: Final answer
    x = 352,570.53

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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.