Finding the Fourth Proportional to 690,689.42, 1,036,165.36 and 241,537.94
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Solution
The fourth proportional to 690,689.42, 1,036,165.36 and 241,537.94 is: 362,352.80
Step by Step Solution
- Step 1: Write the proportion equation
690,689.42 : 1,036,165.36 = 241,537.94 : x - Step 2: Convert to fraction form
690,689.42/1,036,165.36 = 241,537.94/x - Step 3: Cross multiply
690,689.42x = 1,036,165.36 × 241,537.94 - Step 4: Simplify right side
690,689.42x = 250,273,246,553.76 - Step 5: Solve for x
x = 250,273,246,553.76/690,689.42 - Step 6: Final answer
x = 362,352.80
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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.