Finding the Fourth Proportional to 323,063.60, 445,737.80 and 193,967.42
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Solution
The fourth proportional to 323,063.60, 445,737.80 and 193,967.42 is: 267,621.02
Step by Step Solution
- Step 1: Write the proportion equation
323,063.60 : 445,737.80 = 193,967.42 : x - Step 2: Convert to fraction form
323,063.60/445,737.80 = 193,967.42/x - Step 3: Cross multiply
323,063.60x = 445,737.80 × 193,967.42 - Step 4: Simplify right side
323,063.60x = 86,458,609,318.71 - Step 5: Solve for x
x = 86,458,609,318.71/323,063.60 - Step 6: Final answer
x = 267,621.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.