Finding the Fourth Proportional to 304,442.93, 420,132.06 and 168,486.26
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Solution
The fourth proportional to 304,442.93, 420,132.06 and 168,486.26 is: 232,511.48
Step by Step Solution
- Step 1: Write the proportion equation
304,442.93 : 420,132.06 = 168,486.26 : x - Step 2: Convert to fraction form
304,442.93/420,132.06 = 168,486.26/x - Step 3: Cross multiply
304,442.93x = 420,132.06 × 168,486.26 - Step 4: Simplify right side
304,442.93x = 70,786,477,816.05 - Step 5: Solve for x
x = 70,786,477,816.05/304,442.93 - Step 6: Final answer
x = 232,511.48
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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.