Finding the Fourth Proportional to 227,445.30, 341,386.65 and 115,252.20
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Solution
The fourth proportional to 227,445.30, 341,386.65 and 115,252.20 is: 172,989.12
Step by Step Solution
- Step 1: Write the proportion equation
227,445.30 : 341,386.65 = 115,252.20 : x - Step 2: Convert to fraction form
227,445.30/341,386.65 = 115,252.20/x - Step 3: Cross multiply
227,445.30x = 341,386.65 × 115,252.20 - Step 4: Simplify right side
227,445.30x = 39,345,562,463.13 - Step 5: Solve for x
x = 39,345,562,463.13/227,445.30 - Step 6: Final answer
x = 172,989.12
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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.