Finding the Fourth Proportional to 315,484.24, 435,369.24 and 202,307.44
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Solution
The fourth proportional to 315,484.24, 435,369.24 and 202,307.44 is: 279,184.90
Step by Step Solution
- Step 1: Write the proportion equation
315,484.24 : 435,369.24 = 202,307.44 : x - Step 2: Convert to fraction form
315,484.24/435,369.24 = 202,307.44/x - Step 3: Cross multiply
315,484.24x = 435,369.24 × 202,307.44 - Step 4: Simplify right side
315,484.24x = 88,078,436,399.15 - Step 5: Solve for x
x = 88,078,436,399.15/315,484.24 - Step 6: Final answer
x = 279,184.90
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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.