Finding the Fourth Proportional to 492,714.70, 739,072.05 and 193,095.70
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Solution
The fourth proportional to 492,714.70, 739,072.05 and 193,095.70 is: 289,643.55
Step by Step Solution
- Step 1: Write the proportion equation
492,714.70 : 739,072.05 = 193,095.70 : x - Step 2: Convert to fraction form
492,714.70/739,072.05 = 193,095.70/x - Step 3: Cross multiply
492,714.70x = 739,072.05 × 193,095.70 - Step 4: Simplify right side
492,714.70x = 142,711,634,845.19 - Step 5: Solve for x
x = 142,711,634,845.19/492,714.70 - Step 6: Final answer
x = 289,643.55
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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.