Finding the Fourth Proportional to 275,862.13, 411,379.12 and 273,339.74
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Solution
The fourth proportional to 275,862.13, 411,379.12 and 273,339.74 is: 407,617.62
Step by Step Solution
- Step 1: Write the proportion equation
275,862.13 : 411,379.12 = 273,339.74 : x - Step 2: Convert to fraction form
275,862.13/411,379.12 = 273,339.74/x - Step 3: Cross multiply
275,862.13x = 411,379.12 × 273,339.74 - Step 4: Simplify right side
275,862.13x = 112,446,261,702.23 - Step 5: Solve for x
x = 112,446,261,702.23/275,862.13 - Step 6: Final answer
x = 407,617.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.