Home / 340,619.76-470,091.96-187,673.45

Finding the Fourth Proportional to 340,619.76, 470,091.96 and 187,673.45

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Solution

The fourth proportional to 340,619.76, 470,091.96 and 187,673.45 is: 259,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,619.76 : 470,091.96 = 187,673.45 : x
  2. Step 2: Convert to fraction form
    340,619.76/470,091.96 = 187,673.45/x
  3. Step 3: Cross multiply
    340,619.76x = 470,091.96 × 187,673.45
  4. Step 4: Simplify right side
    340,619.76x = 88,223,777,600.00
  5. Step 5: Solve for x
    x = 88,223,777,600.00/340,619.76
  6. Step 6: Final answer
    x = 259,009.57

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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.