Finding the Fourth Proportional to 299,788.26, 413,731.39 and 170,732.18
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Solution
The fourth proportional to 299,788.26, 413,731.39 and 170,732.18 is: 235,623.84
Step by Step Solution
- Step 1: Write the proportion equation
299,788.26 : 413,731.39 = 170,732.18 : x - Step 2: Convert to fraction form
299,788.26/413,731.39 = 170,732.18/x - Step 3: Cross multiply
299,788.26x = 413,731.39 × 170,732.18 - Step 4: Simplify right side
299,788.26x = 70,637,262,149.13 - Step 5: Solve for x
x = 70,637,262,149.13/299,788.26 - Step 6: Final answer
x = 235,623.84
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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.