Finding the Fourth Proportional to 702,618.30, 1,053,818.10 and 197,129.70
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Solution
The fourth proportional to 702,618.30, 1,053,818.10 and 197,129.70 is: 295,663.87
Step by Step Solution
- Step 1: Write the proportion equation
702,618.30 : 1,053,818.10 = 197,129.70 : x - Step 2: Convert to fraction form
702,618.30/1,053,818.10 = 197,129.70/x - Step 3: Cross multiply
702,618.30x = 1,053,818.10 × 197,129.70 - Step 4: Simplify right side
702,618.30x = 207,738,845,907.57 - Step 5: Solve for x
x = 207,738,845,907.57/702,618.30 - Step 6: Final answer
x = 295,663.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.