Home / 340,867.94-470,400.09-189,974.66

Finding the Fourth Proportional to 340,867.94, 470,400.09 and 189,974.66

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Solution

The fourth proportional to 340,867.94, 470,400.09 and 189,974.66 is: 262,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,867.94 : 470,400.09 = 189,974.66 : x
  2. Step 2: Convert to fraction form
    340,867.94/470,400.09 = 189,974.66/x
  3. Step 3: Cross multiply
    340,867.94x = 470,400.09 × 189,974.66
  4. Step 4: Simplify right side
    340,867.94x = 89,364,097,161.72
  5. Step 5: Solve for x
    x = 89,364,097,161.72/340,867.94
  6. Step 6: Final answer
    x = 262,166.33

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1.5x scale

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.