Home / 486,389.58-671,148.21-271,524.93

Finding the Fourth Proportional to 486,389.58, 671,148.21 and 271,524.93

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Solution

The fourth proportional to 486,389.58, 671,148.21 and 271,524.93 is: 374,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,389.58 : 671,148.21 = 271,524.93 : x
  2. Step 2: Convert to fraction form
    486,389.58/671,148.21 = 271,524.93/x
  3. Step 3: Cross multiply
    486,389.58x = 671,148.21 × 271,524.93
  4. Step 4: Simplify right side
    486,389.58x = 182,233,470,739.88
  5. Step 5: Solve for x
    x = 182,233,470,739.88/486,389.58
  6. Step 6: Final answer
    x = 374,665.66

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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.