Finding the Fourth Proportional to 148,625.91, 205,107.30 and 84,969.63
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Solution
The fourth proportional to 148,625.91, 205,107.30 and 84,969.63 is: 117,260.12
Step by Step Solution
- Step 1: Write the proportion equation
148,625.91 : 205,107.30 = 84,969.63 : x - Step 2: Convert to fraction form
148,625.91/205,107.30 = 84,969.63/x - Step 3: Cross multiply
148,625.91x = 205,107.30 × 84,969.63 - Step 4: Simplify right side
148,625.91x = 17,427,891,391.30 - Step 5: Solve for x
x = 17,427,891,391.30/148,625.91 - Step 6: Final answer
x = 117,260.12
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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.