Finding the Fourth Proportional to 637,951.36, 957,104.39 and 278,153.65
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Solution
The fourth proportional to 637,951.36, 957,104.39 and 278,153.65 is: 417,307.81
Step by Step Solution
- Step 1: Write the proportion equation
637,951.36 : 957,104.39 = 278,153.65 : x - Step 2: Convert to fraction form
637,951.36/957,104.39 = 278,153.65/x - Step 3: Cross multiply
637,951.36x = 957,104.39 × 278,153.65 - Step 4: Simplify right side
637,951.36x = 266,222,082,528.53 - Step 5: Solve for x
x = 266,222,082,528.53/637,951.36 - Step 6: Final answer
x = 417,307.81
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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.