Home / 230,820.06-345,555.21-208,684.38

Finding the Fourth Proportional to 230,820.06, 345,555.21 and 208,684.38

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Solution

The fourth proportional to 230,820.06, 345,555.21 and 208,684.38 is: 312,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,820.06 : 345,555.21 = 208,684.38 : x
  2. Step 2: Convert to fraction form
    230,820.06/345,555.21 = 208,684.38/x
  3. Step 3: Cross multiply
    230,820.06x = 345,555.21 × 208,684.38
  4. Step 4: Simplify right side
    230,820.06x = 72,111,974,754.62
  5. Step 5: Solve for x
    x = 72,111,974,754.62/230,820.06
  6. Step 6: Final answer
    x = 312,416.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.