Finding the Fourth Proportional to 329,623.68, 493,926.63 and 222,588.18
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Solution
The fourth proportional to 329,623.68, 493,926.63 and 222,588.18 is: 333,538.63
Step by Step Solution
- Step 1: Write the proportion equation
329,623.68 : 493,926.63 = 222,588.18 : x - Step 2: Convert to fraction form
329,623.68/493,926.63 = 222,588.18/x - Step 3: Cross multiply
329,623.68x = 493,926.63 × 222,588.18 - Step 4: Simplify right side
329,623.68x = 109,942,229,625.23 - Step 5: Solve for x
x = 109,942,229,625.23/329,623.68 - Step 6: Final answer
x = 333,538.63
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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.