Home / 313,943.48-470,283.96-145,226.96

Finding the Fourth Proportional to 313,943.48, 470,283.96 and 145,226.96

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Solution

The fourth proportional to 313,943.48, 470,283.96 and 145,226.96 is: 217,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,943.48 : 470,283.96 = 145,226.96 : x
  2. Step 2: Convert to fraction form
    313,943.48/470,283.96 = 145,226.96/x
  3. Step 3: Cross multiply
    313,943.48x = 470,283.96 × 145,226.96
  4. Step 4: Simplify right side
    313,943.48x = 68,297,909,847.56
  5. Step 5: Solve for x
    x = 68,297,909,847.56/313,943.48
  6. Step 6: Final answer
    x = 217,548.43

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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.