Finding the Fourth Proportional to 194,701.80, 292,052.70 and 141,557.70
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Solution
The fourth proportional to 194,701.80, 292,052.70 and 141,557.70 is: 212,336.55
Step by Step Solution
- Step 1: Write the proportion equation
194,701.80 : 292,052.70 = 141,557.70 : x - Step 2: Convert to fraction form
194,701.80/292,052.70 = 141,557.70/x - Step 3: Cross multiply
194,701.80x = 292,052.70 × 141,557.70 - Step 4: Simplify right side
194,701.80x = 41,342,308,490.79 - Step 5: Solve for x
x = 41,342,308,490.79/194,701.80 - Step 6: Final answer
x = 212,336.55
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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.