Home / 313,764.10-470,545.03-103,351.94

Finding the Fourth Proportional to 313,764.10, 470,545.03 and 103,351.94

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Solution

The fourth proportional to 313,764.10, 470,545.03 and 103,351.94 is: 154,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,764.10 : 470,545.03 = 103,351.94 : x
  2. Step 2: Convert to fraction form
    313,764.10/470,545.03 = 103,351.94/x
  3. Step 3: Cross multiply
    313,764.10x = 470,545.03 × 103,351.94
  4. Step 4: Simplify right side
    313,764.10x = 48,631,741,707.86
  5. Step 5: Solve for x
    x = 48,631,741,707.86/313,764.10
  6. Step 6: Final answer
    x = 154,994.60

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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.