Finding the Fourth Proportional to 483,611.67, 725,416.58 and 128,626.07
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Solution
The fourth proportional to 483,611.67, 725,416.58 and 128,626.07 is: 192,938.85
Step by Step Solution
- Step 1: Write the proportion equation
483,611.67 : 725,416.58 = 128,626.07 : x - Step 2: Convert to fraction form
483,611.67/725,416.58 = 128,626.07/x - Step 3: Cross multiply
483,611.67x = 725,416.58 × 128,626.07 - Step 4: Simplify right side
483,611.67x = 93,307,479,528.03 - Step 5: Solve for x
x = 93,307,479,528.03/483,611.67 - Step 6: Final answer
x = 192,938.85
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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.