Home / 313,942.48-470,282.46-145,225.96

Finding the Fourth Proportional to 313,942.48, 470,282.46 and 145,225.96

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Solution

The fourth proportional to 313,942.48, 470,282.46 and 145,225.96 is: 217,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,942.48 : 470,282.46 = 145,225.96 : x
  2. Step 2: Convert to fraction form
    313,942.48/470,282.46 = 145,225.96/x
  3. Step 3: Cross multiply
    313,942.48x = 470,282.46 × 145,225.96
  4. Step 4: Simplify right side
    313,942.48x = 68,297,221,724.66
  5. Step 5: Solve for x
    x = 68,297,221,724.66/313,942.48
  6. Step 6: Final answer
    x = 217,546.93

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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.