Finding the Fourth Proportional to 298,611.84, 447,865.92 and 101,619.84
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Solution
The fourth proportional to 298,611.84, 447,865.92 and 101,619.84 is: 152,412.12
Step by Step Solution
- Step 1: Write the proportion equation
298,611.84 : 447,865.92 = 101,619.84 : x - Step 2: Convert to fraction form
298,611.84/447,865.92 = 101,619.84/x - Step 3: Cross multiply
298,611.84x = 447,865.92 × 101,619.84 - Step 4: Simplify right side
298,611.84x = 45,512,063,131.85 - Step 5: Solve for x
x = 45,512,063,131.85/298,611.84 - Step 6: Final answer
x = 152,412.12
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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.