Finding the Fourth Proportional to 355,611.68, 532,855.74 and 288,725.03
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Solution
The fourth proportional to 355,611.68, 532,855.74 and 288,725.03 is: 432,631.43
Step by Step Solution
- Step 1: Write the proportion equation
355,611.68 : 532,855.74 = 288,725.03 : x - Step 2: Convert to fraction form
355,611.68/532,855.74 = 288,725.03/x - Step 3: Cross multiply
355,611.68x = 532,855.74 × 288,725.03 - Step 4: Simplify right side
355,611.68x = 153,848,786,852.89 - Step 5: Solve for x
x = 153,848,786,852.89/355,611.68 - Step 6: Final answer
x = 432,631.43
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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.