Finding the Fourth Proportional to 247,879.36, 342,072.96 and 134,702.14
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Solution
The fourth proportional to 247,879.36, 342,072.96 and 134,702.14 is: 185,888.65
Step by Step Solution
- Step 1: Write the proportion equation
247,879.36 : 342,072.96 = 134,702.14 : x - Step 2: Convert to fraction form
247,879.36/342,072.96 = 134,702.14/x - Step 3: Cross multiply
247,879.36x = 342,072.96 × 134,702.14 - Step 4: Simplify right side
247,879.36x = 46,077,959,748.13 - Step 5: Solve for x
x = 46,077,959,748.13/247,879.36 - Step 6: Final answer
x = 185,888.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.