Home / 289,468.35-434,219.58-111,976.29

Finding the Fourth Proportional to 289,468.35, 434,219.58 and 111,976.29

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Solution

The fourth proportional to 289,468.35, 434,219.58 and 111,976.29 is: 167,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,468.35 : 434,219.58 = 111,976.29 : x
  2. Step 2: Convert to fraction form
    289,468.35/434,219.58 = 111,976.29/x
  3. Step 3: Cross multiply
    289,468.35x = 434,219.58 × 111,976.29
  4. Step 4: Simplify right side
    289,468.35x = 48,622,297,613.76
  5. Step 5: Solve for x
    x = 48,622,297,613.76/289,468.35
  6. Step 6: Final answer
    x = 167,971.03

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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.