Finding the Fourth Proportional to 299,442.30, 449,163.45 and 149,705.70
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Solution
The fourth proportional to 299,442.30, 449,163.45 and 149,705.70 is: 224,558.55
Step by Step Solution
- Step 1: Write the proportion equation
299,442.30 : 449,163.45 = 149,705.70 : x - Step 2: Convert to fraction form
299,442.30/449,163.45 = 149,705.70/x - Step 3: Cross multiply
299,442.30x = 449,163.45 × 149,705.70 - Step 4: Simplify right side
299,442.30x = 67,242,328,696.67 - Step 5: Solve for x
x = 67,242,328,696.67/299,442.30 - Step 6: Final answer
x = 224,558.55
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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.