Finding the Fourth Proportional to 140,304.24, 193,612.62 and 76,629.74
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Solution
The fourth proportional to 140,304.24, 193,612.62 and 76,629.74 is: 105,745.08
Step by Step Solution
- Step 1: Write the proportion equation
140,304.24 : 193,612.62 = 76,629.74 : x - Step 2: Convert to fraction form
140,304.24/193,612.62 = 76,629.74/x - Step 3: Cross multiply
140,304.24x = 193,612.62 × 76,629.74 - Step 4: Simplify right side
140,304.24x = 14,836,483,763.26 - Step 5: Solve for x
x = 14,836,483,763.26/140,304.24 - Step 6: Final answer
x = 105,745.08
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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.