Home / 486,319.23-729,506.43-131,361.48

Finding the Fourth Proportional to 486,319.23, 729,506.43 and 131,361.48

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Solution

The fourth proportional to 486,319.23, 729,506.43 and 131,361.48 is: 197,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,319.23 : 729,506.43 = 131,361.48 : x
  2. Step 2: Convert to fraction form
    486,319.23/729,506.43 = 131,361.48/x
  3. Step 3: Cross multiply
    486,319.23x = 729,506.43 × 131,361.48
  4. Step 4: Simplify right side
    486,319.23x = 95,829,044,314.32
  5. Step 5: Solve for x
    x = 95,829,044,314.32/486,319.23
  6. Step 6: Final answer
    x = 197,049.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.