Home / 449,102.12-619,739.35-255,491.67

Finding the Fourth Proportional to 449,102.12, 619,739.35 and 255,491.67

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Solution

The fourth proportional to 449,102.12, 619,739.35 and 255,491.67 is: 352,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,102.12 : 619,739.35 = 255,491.67 : x
  2. Step 2: Convert to fraction form
    449,102.12/619,739.35 = 255,491.67/x
  3. Step 3: Cross multiply
    449,102.12x = 619,739.35 × 255,491.67
  4. Step 4: Simplify right side
    449,102.12x = 158,338,241,132.62
  5. Step 5: Solve for x
    x = 158,338,241,132.62/449,102.12
  6. Step 6: Final answer
    x = 352,566.23

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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.