Finding the Fourth Proportional to 135,442.08, 202,737.60 and 93,074.40
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Solution
The fourth proportional to 135,442.08, 202,737.60 and 93,074.40 is: 139,319.19
Step by Step Solution
- Step 1: Write the proportion equation
135,442.08 : 202,737.60 = 93,074.40 : x - Step 2: Convert to fraction form
135,442.08/202,737.60 = 93,074.40/x - Step 3: Cross multiply
135,442.08x = 202,737.60 × 93,074.40 - Step 4: Simplify right side
135,442.08x = 18,869,680,477.44 - Step 5: Solve for x
x = 18,869,680,477.44/135,442.08 - Step 6: Final answer
x = 139,319.19
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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.