Finding the Fourth Proportional to 183,674.09, 253,405.05 and 120,048.59
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Solution
The fourth proportional to 183,674.09, 253,405.05 and 120,048.59 is: 165,624.44
Step by Step Solution
- Step 1: Write the proportion equation
183,674.09 : 253,405.05 = 120,048.59 : x - Step 2: Convert to fraction form
183,674.09/253,405.05 = 120,048.59/x - Step 3: Cross multiply
183,674.09x = 253,405.05 × 120,048.59 - Step 4: Simplify right side
183,674.09x = 30,420,918,951.38 - Step 5: Solve for x
x = 30,420,918,951.38/183,674.09 - Step 6: Final answer
x = 165,624.44
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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.