Home / 313,556.06-470,234.72-103,145.06

Finding the Fourth Proportional to 313,556.06, 470,234.72 and 103,145.06

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Solution

The fourth proportional to 313,556.06, 470,234.72 and 103,145.06 is: 154,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,556.06 : 470,234.72 = 103,145.06 : x
  2. Step 2: Convert to fraction form
    313,556.06/470,234.72 = 103,145.06/x
  3. Step 3: Cross multiply
    313,556.06x = 470,234.72 × 103,145.06
  4. Step 4: Simplify right side
    313,556.06x = 48,502,388,408.48
  5. Step 5: Solve for x
    x = 48,502,388,408.48/313,556.06
  6. Step 6: Final answer
    x = 154,684.90

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1.5x scale

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.