Home / 313,739.14-470,400.60-114,035.80

Finding the Fourth Proportional to 313,739.14, 470,400.60 and 114,035.80

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Solution

The fourth proportional to 313,739.14, 470,400.60 and 114,035.80 is: 170,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,739.14 : 470,400.60 = 114,035.80 : x
  2. Step 2: Convert to fraction form
    313,739.14/470,400.60 = 114,035.80/x
  3. Step 3: Cross multiply
    313,739.14x = 470,400.60 × 114,035.80
  4. Step 4: Simplify right side
    313,739.14x = 53,642,508,741.48
  5. Step 5: Solve for x
    x = 53,642,508,741.48/313,739.14
  6. Step 6: Final answer
    x = 170,978.06

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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.