Finding the Fourth Proportional to 291,201.08, 436,906.68 and 101,689.36
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Solution
The fourth proportional to 291,201.08, 436,906.68 and 101,689.36 is: 152,570.73
Step by Step Solution
- Step 1: Write the proportion equation
291,201.08 : 436,906.68 = 101,689.36 : x - Step 2: Convert to fraction form
291,201.08/436,906.68 = 101,689.36/x - Step 3: Cross multiply
291,201.08x = 436,906.68 × 101,689.36 - Step 4: Simplify right side
291,201.08x = 44,428,760,668.92 - Step 5: Solve for x
x = 44,428,760,668.92/291,201.08 - Step 6: Final answer
x = 152,570.73
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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.