Home / 313,860.20-470,012.70-201,367.40

Finding the Fourth Proportional to 313,860.20, 470,012.70 and 201,367.40

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Solution

The fourth proportional to 313,860.20, 470,012.70 and 201,367.40 is: 301,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,860.20 : 470,012.70 = 201,367.40 : x
  2. Step 2: Convert to fraction form
    313,860.20/470,012.70 = 201,367.40/x
  3. Step 3: Cross multiply
    313,860.20x = 470,012.70 × 201,367.40
  4. Step 4: Simplify right side
    313,860.20x = 94,645,235,365.98
  5. Step 5: Solve for x
    x = 94,645,235,365.98/313,860.20
  6. Step 6: Final answer
    x = 301,552.20

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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.