Finding the Fourth Proportional to 141,946.40, 212,838.60 and 53,202.80
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Solution
The fourth proportional to 141,946.40, 212,838.60 and 53,202.80 is: 79,773.84
Step by Step Solution
- Step 1: Write the proportion equation
141,946.40 : 212,838.60 = 53,202.80 : x - Step 2: Convert to fraction form
141,946.40/212,838.60 = 53,202.80/x - Step 3: Cross multiply
141,946.40x = 212,838.60 × 53,202.80 - Step 4: Simplify right side
141,946.40x = 11,323,609,468.08 - Step 5: Solve for x
x = 11,323,609,468.08/141,946.40 - Step 6: Final answer
x = 79,773.84
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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.