Home / 340,949.24-470,711.56-303,118.80

Finding the Fourth Proportional to 340,949.24, 470,711.56 and 303,118.80

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Solution

The fourth proportional to 340,949.24, 470,711.56 and 303,118.80 is: 418,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,949.24 : 470,711.56 = 303,118.80 : x
  2. Step 2: Convert to fraction form
    340,949.24/470,711.56 = 303,118.80/x
  3. Step 3: Cross multiply
    340,949.24x = 470,711.56 × 303,118.80
  4. Step 4: Simplify right side
    340,949.24x = 142,681,523,213.33
  5. Step 5: Solve for x
    x = 142,681,523,213.33/340,949.24
  6. Step 6: Final answer
    x = 418,483.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.