Finding the Fourth Proportional to 397,937.63, 596,531.21 and 198,069.06
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Solution
The fourth proportional to 397,937.63, 596,531.21 and 198,069.06 is: 296,916.82
Step by Step Solution
- Step 1: Write the proportion equation
397,937.63 : 596,531.21 = 198,069.06 : x - Step 2: Convert to fraction form
397,937.63/596,531.21 = 198,069.06/x - Step 3: Cross multiply
397,937.63x = 596,531.21 × 198,069.06 - Step 4: Simplify right side
397,937.63x = 118,154,375,035.02 - Step 5: Solve for x
x = 118,154,375,035.02/397,937.63 - Step 6: Final answer
x = 296,916.82
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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.