Finding the Fourth Proportional to 218,317.68, 301,275.12 and 122,824.48
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Solution
The fourth proportional to 218,317.68, 301,275.12 and 122,824.48 is: 169,495.94
Step by Step Solution
- Step 1: Write the proportion equation
218,317.68 : 301,275.12 = 122,824.48 : x - Step 2: Convert to fraction form
218,317.68/301,275.12 = 122,824.48/x - Step 3: Cross multiply
218,317.68x = 301,275.12 × 122,824.48 - Step 4: Simplify right side
218,317.68x = 37,003,959,950.94 - Step 5: Solve for x
x = 37,003,959,950.94/218,317.68 - Step 6: Final answer
x = 169,495.94
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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.