Finding the Fourth Proportional to 320,332.09, 441,952.63 and 205,674.97
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Solution
The fourth proportional to 320,332.09, 441,952.63 and 205,674.97 is: 283,763.62
Step by Step Solution
- Step 1: Write the proportion equation
320,332.09 : 441,952.63 = 205,674.97 : x - Step 2: Convert to fraction form
320,332.09/441,952.63 = 205,674.97/x - Step 3: Cross multiply
320,332.09x = 441,952.63 × 205,674.97 - Step 4: Simplify right side
320,332.09x = 90,898,593,916.67 - Step 5: Solve for x
x = 90,898,593,916.67/320,332.09 - Step 6: Final answer
x = 283,763.62
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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.