Home / 340,790.12-470,317.38-187,855.50

Finding the Fourth Proportional to 340,790.12, 470,317.38 and 187,855.50

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Solution

The fourth proportional to 340,790.12, 470,317.38 and 187,855.50 is: 259,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,790.12 : 470,317.38 = 187,855.50 : x
  2. Step 2: Convert to fraction form
    340,790.12/470,317.38 = 187,855.50/x
  3. Step 3: Cross multiply
    340,790.12x = 470,317.38 × 187,855.50
  4. Step 4: Simplify right side
    340,790.12x = 88,351,706,578.59
  5. Step 5: Solve for x
    x = 88,351,706,578.59/340,790.12
  6. Step 6: Final answer
    x = 259,255.48

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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.