Finding the Fourth Proportional to 195,489.80, 293,258.84 and 69,103.98
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Solution
The fourth proportional to 195,489.80, 293,258.84 and 69,103.98 is: 103,664.50
Step by Step Solution
- Step 1: Write the proportion equation
195,489.80 : 293,258.84 = 69,103.98 : x - Step 2: Convert to fraction form
195,489.80/293,258.84 = 69,103.98/x - Step 3: Cross multiply
195,489.80x = 293,258.84 × 69,103.98 - Step 4: Simplify right side
195,489.80x = 20,265,353,014.18 - Step 5: Solve for x
x = 20,265,353,014.18/195,489.80 - Step 6: Final answer
x = 103,664.50
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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.