Finding the Fourth Proportional to 487,611.36, 731,235.12 and 167,672.70
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Solution
The fourth proportional to 487,611.36, 731,235.12 and 167,672.70 is: 251,446.49
Step by Step Solution
- Step 1: Write the proportion equation
487,611.36 : 731,235.12 = 167,672.70 : x - Step 2: Convert to fraction form
487,611.36/731,235.12 = 167,672.70/x - Step 3: Cross multiply
487,611.36x = 731,235.12 × 167,672.70 - Step 4: Simplify right side
487,611.36x = 122,608,166,905.22 - Step 5: Solve for x
x = 122,608,166,905.22/487,611.36 - Step 6: Final answer
x = 251,446.49
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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.