Finding the Fourth Proportional to 947,093.09, 1,420,638.39 and 237,121.05
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Solution
The fourth proportional to 947,093.09, 1,420,638.39 and 237,121.05 is: 355,681.27
Step by Step Solution
- Step 1: Write the proportion equation
947,093.09 : 1,420,638.39 = 237,121.05 : x - Step 2: Convert to fraction form
947,093.09/1,420,638.39 = 237,121.05/x - Step 3: Cross multiply
947,093.09x = 1,420,638.39 × 237,121.05 - Step 4: Simplify right side
947,093.09x = 336,863,266,707.11 - Step 5: Solve for x
x = 336,863,266,707.11/947,093.09 - Step 6: Final answer
x = 355,681.27
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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.