Finding the Fourth Proportional to 218,238.29, 301,165.94 and 122,744.99
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Solution
The fourth proportional to 218,238.29, 301,165.94 and 122,744.99 is: 169,386.46
Step by Step Solution
- Step 1: Write the proportion equation
218,238.29 : 301,165.94 = 122,744.99 : x - Step 2: Convert to fraction form
218,238.29/301,165.94 = 122,744.99/x - Step 3: Cross multiply
218,238.29x = 301,165.94 × 122,744.99 - Step 4: Simplify right side
218,238.29x = 36,966,610,293.64 - Step 5: Solve for x
x = 36,966,610,293.64/218,238.29 - Step 6: Final answer
x = 169,386.46
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1.5x scale
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.