Home / 340,821.35-470,336.76-187,865.54

Finding the Fourth Proportional to 340,821.35, 470,336.76 and 187,865.54

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Solution

The fourth proportional to 340,821.35, 470,336.76 and 187,865.54 is: 259,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,821.35 : 470,336.76 = 187,865.54 : x
  2. Step 2: Convert to fraction form
    340,821.35/470,336.76 = 187,865.54/x
  3. Step 3: Cross multiply
    340,821.35x = 470,336.76 × 187,865.54
  4. Step 4: Simplify right side
    340,821.35x = 88,360,067,047.57
  5. Step 5: Solve for x
    x = 88,360,067,047.57/340,821.35
  6. Step 6: Final answer
    x = 259,256.26

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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.