Home / 218,720.16-299,865.26-214,734.36

Finding the Fourth Proportional to 218,720.16, 299,865.26 and 214,734.36

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Solution

The fourth proportional to 218,720.16, 299,865.26 and 214,734.36 is: 294,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,720.16 : 299,865.26 = 214,734.36 : x
  2. Step 2: Convert to fraction form
    218,720.16/299,865.26 = 214,734.36/x
  3. Step 3: Cross multiply
    218,720.16x = 299,865.26 × 214,734.36
  4. Step 4: Simplify right side
    218,720.16x = 64,391,374,692.33
  5. Step 5: Solve for x
    x = 64,391,374,692.33/218,720.16
  6. Step 6: Final answer
    x = 294,400.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.