Finding the Fourth Proportional to 292,372.99, 438,596.39 and 102,788.80
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Solution
The fourth proportional to 292,372.99, 438,596.39 and 102,788.80 is: 154,196.17
Step by Step Solution
- Step 1: Write the proportion equation
292,372.99 : 438,596.39 = 102,788.80 : x - Step 2: Convert to fraction form
292,372.99/438,596.39 = 102,788.80/x - Step 3: Cross multiply
292,372.99x = 438,596.39 × 102,788.80 - Step 4: Simplify right side
292,372.99x = 45,082,796,612.43 - Step 5: Solve for x
x = 45,082,796,612.43/292,372.99 - Step 6: Final answer
x = 154,196.17
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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.