Home / 486,665.18-671,531.60-271,777.85

Finding the Fourth Proportional to 486,665.18, 671,531.60 and 271,777.85

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Solution

The fourth proportional to 486,665.18, 671,531.60 and 271,777.85 is: 375,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,665.18 : 671,531.60 = 271,777.85 : x
  2. Step 2: Convert to fraction form
    486,665.18/671,531.60 = 271,777.85/x
  3. Step 3: Cross multiply
    486,665.18x = 671,531.60 × 271,777.85
  4. Step 4: Simplify right side
    486,665.18x = 182,507,409,738.51
  5. Step 5: Solve for x
    x = 182,507,409,738.51/486,665.18
  6. Step 6: Final answer
    x = 375,016.37

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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.