Finding the Fourth Proportional to 607,907.45, 911,861.90 and 158,627.99
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Solution
The fourth proportional to 607,907.45, 911,861.90 and 158,627.99 is: 237,942.17
Step by Step Solution
- Step 1: Write the proportion equation
607,907.45 : 911,861.90 = 158,627.99 : x - Step 2: Convert to fraction form
607,907.45/911,861.90 = 158,627.99/x - Step 3: Cross multiply
607,907.45x = 911,861.90 × 158,627.99 - Step 4: Simplify right side
607,907.45x = 144,646,819,561.44 - Step 5: Solve for x
x = 144,646,819,561.44/607,907.45 - Step 6: Final answer
x = 237,942.17
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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.