Finding the Fourth Proportional to 398,611.97, 597,915.43 and 145,910.06
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Solution
The fourth proportional to 398,611.97, 597,915.43 and 145,910.06 is: 218,864.17
Step by Step Solution
- Step 1: Write the proportion equation
398,611.97 : 597,915.43 = 145,910.06 : x - Step 2: Convert to fraction form
398,611.97/597,915.43 = 145,910.06/x - Step 3: Cross multiply
398,611.97x = 597,915.43 × 145,910.06 - Step 4: Simplify right side
398,611.97x = 87,241,877,396.24 - Step 5: Solve for x
x = 87,241,877,396.24/398,611.97 - Step 6: Final answer
x = 218,864.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.