Finding the Fourth Proportional to 415,357.68, 573,194.12 and 224,371.08
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Solution
The fourth proportional to 415,357.68, 573,194.12 and 224,371.08 is: 309,632.37
Step by Step Solution
- Step 1: Write the proportion equation
415,357.68 : 573,194.12 = 224,371.08 : x - Step 2: Convert to fraction form
415,357.68/573,194.12 = 224,371.08/x - Step 3: Cross multiply
415,357.68x = 573,194.12 × 224,371.08 - Step 4: Simplify right side
415,357.68x = 128,608,183,754.05 - Step 5: Solve for x
x = 128,608,183,754.05/415,357.68 - Step 6: Final answer
x = 309,632.37
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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.