Home / 340,976.84-470,749.66-303,146.42

Finding the Fourth Proportional to 340,976.84, 470,749.66 and 303,146.42

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Solution

The fourth proportional to 340,976.84, 470,749.66 and 303,146.42 is: 418,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,976.84 : 470,749.66 = 303,146.42 : x
  2. Step 2: Convert to fraction form
    340,976.84/470,749.66 = 303,146.42/x
  3. Step 3: Cross multiply
    340,976.84x = 470,749.66 × 303,146.42
  4. Step 4: Simplify right side
    340,976.84x = 142,706,074,145.22
  5. Step 5: Solve for x
    x = 142,706,074,145.22/340,976.84
  6. Step 6: Final answer
    x = 418,521.31

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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.