Finding the Fourth Proportional to 635,636.20, 953,451.42 and 215,202.28
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Solution
The fourth proportional to 635,636.20, 953,451.42 and 215,202.28 is: 322,802.44
Step by Step Solution
- Step 1: Write the proportion equation
635,636.20 : 953,451.42 = 215,202.28 : x - Step 2: Convert to fraction form
635,636.20/953,451.42 = 215,202.28/x - Step 3: Cross multiply
635,636.20x = 953,451.42 × 215,202.28 - Step 4: Simplify right side
635,636.20x = 205,184,919,453.24 - Step 5: Solve for x
x = 205,184,919,453.24/635,636.20 - Step 6: Final answer
x = 322,802.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.