Home / 340,965.64-470,752.05-305,093.44

Finding the Fourth Proportional to 340,965.64, 470,752.05 and 305,093.44

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Solution

The fourth proportional to 340,965.64, 470,752.05 and 305,093.44 is: 421,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,965.64 : 470,752.05 = 305,093.44 : x
  2. Step 2: Convert to fraction form
    340,965.64/470,752.05 = 305,093.44/x
  3. Step 3: Cross multiply
    340,965.64x = 470,752.05 × 305,093.44
  4. Step 4: Simplify right side
    340,965.64x = 143,623,362,321.55
  5. Step 5: Solve for x
    x = 143,623,362,321.55/340,965.64
  6. Step 6: Final answer
    x = 421,225.32

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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.