Finding the Fourth Proportional to 302,125.60, 416,938.10 and 166,165.48
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Solution
The fourth proportional to 302,125.60, 416,938.10 and 166,165.48 is: 229,310.99
Step by Step Solution
- Step 1: Write the proportion equation
302,125.60 : 416,938.10 = 166,165.48 : x - Step 2: Convert to fraction form
302,125.60/416,938.10 = 166,165.48/x - Step 3: Cross multiply
302,125.60x = 416,938.10 × 166,165.48 - Step 4: Simplify right side
302,125.60x = 69,280,719,516.79 - Step 5: Solve for x
x = 69,280,719,516.79/302,125.60 - Step 6: Final answer
x = 229,310.99
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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.