Finding the Fourth Proportional to 411,480.48, 616,585.68 and 277,836.96
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Solution
The fourth proportional to 411,480.48, 616,585.68 and 277,836.96 is: 416,326.65
Step by Step Solution
- Step 1: Write the proportion equation
411,480.48 : 616,585.68 = 277,836.96 : x - Step 2: Convert to fraction form
411,480.48/616,585.68 = 277,836.96/x - Step 3: Cross multiply
411,480.48x = 616,585.68 × 277,836.96 - Step 4: Simplify right side
411,480.48x = 171,310,290,910.73 - Step 5: Solve for x
x = 171,310,290,910.73/411,480.48 - Step 6: Final answer
x = 416,326.65
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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.