Finding the Fourth Proportional to 372,946.35, 514,727.69 and 220,021.98
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Solution
The fourth proportional to 372,946.35, 514,727.69 and 220,021.98 is: 303,666.75
Step by Step Solution
- Step 1: Write the proportion equation
372,946.35 : 514,727.69 = 220,021.98 : x - Step 2: Convert to fraction form
372,946.35/514,727.69 = 220,021.98/x - Step 3: Cross multiply
372,946.35x = 514,727.69 × 220,021.98 - Step 4: Simplify right side
372,946.35x = 113,251,405,514.63 - Step 5: Solve for x
x = 113,251,405,514.63/372,946.35 - Step 6: Final answer
x = 303,666.75
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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.