Finding the Fourth Proportional to 295,640.88, 407,974.32 and 168,291.84
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Solution
The fourth proportional to 295,640.88, 407,974.32 and 168,291.84 is: 232,236.99
Step by Step Solution
- Step 1: Write the proportion equation
295,640.88 : 407,974.32 = 168,291.84 : x - Step 2: Convert to fraction form
295,640.88/407,974.32 = 168,291.84/x - Step 3: Cross multiply
295,640.88x = 407,974.32 × 168,291.84 - Step 4: Simplify right side
295,640.88x = 68,658,748,985.55 - Step 5: Solve for x
x = 68,658,748,985.55/295,640.88 - Step 6: Final answer
x = 232,236.99
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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.