Home / 374,220.96-516,971.34-323,832.48

Finding the Fourth Proportional to 374,220.96, 516,971.34 and 323,832.48

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Solution

The fourth proportional to 374,220.96, 516,971.34 and 323,832.48 is: 447,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,220.96 : 516,971.34 = 323,832.48 : x
  2. Step 2: Convert to fraction form
    374,220.96/516,971.34 = 323,832.48/x
  3. Step 3: Cross multiply
    374,220.96x = 516,971.34 × 323,832.48
  4. Step 4: Simplify right side
    374,220.96x = 167,412,111,121.12
  5. Step 5: Solve for x
    x = 167,412,111,121.12/374,220.96
  6. Step 6: Final answer
    x = 447,361.66

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1.5x scale

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.