Finding the Fourth Proportional to 157,276.92, 235,952.64 and 68,546.28
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Solution
The fourth proportional to 157,276.92, 235,952.64 and 68,546.28 is: 102,835.66
Step by Step Solution
- Step 1: Write the proportion equation
157,276.92 : 235,952.64 = 68,546.28 : x - Step 2: Convert to fraction form
157,276.92/235,952.64 = 68,546.28/x - Step 3: Cross multiply
157,276.92x = 235,952.64 × 68,546.28 - Step 4: Simplify right side
157,276.92x = 16,173,675,728.18 - Step 5: Solve for x
x = 16,173,675,728.18/157,276.92 - Step 6: Final answer
x = 102,835.66
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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.