Home / 340,975.84-470,748.30-303,145.44

Finding the Fourth Proportional to 340,975.84, 470,748.30 and 303,145.44

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Solution

The fourth proportional to 340,975.84, 470,748.30 and 303,145.44 is: 418,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,975.84 : 470,748.30 = 303,145.44 : x
  2. Step 2: Convert to fraction form
    340,975.84/470,748.30 = 303,145.44/x
  3. Step 3: Cross multiply
    340,975.84x = 470,748.30 × 303,145.44
  4. Step 4: Simplify right side
    340,975.84x = 142,705,200,532.75
  5. Step 5: Solve for x
    x = 142,705,200,532.75/340,975.84
  6. Step 6: Final answer
    x = 418,519.98

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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.