Finding the Fourth Proportional to 178,391.88, 246,188.58 and 106,758.28
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Solution
The fourth proportional to 178,391.88, 246,188.58 and 106,758.28 is: 147,331.09
Step by Step Solution
- Step 1: Write the proportion equation
178,391.88 : 246,188.58 = 106,758.28 : x - Step 2: Convert to fraction form
178,391.88/246,188.58 = 106,758.28/x - Step 3: Cross multiply
178,391.88x = 246,188.58 × 106,758.28 - Step 4: Simplify right side
178,391.88x = 26,282,669,356.44 - Step 5: Solve for x
x = 26,282,669,356.44/178,391.88 - Step 6: Final answer
x = 147,331.09
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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.