Finding the Fourth Proportional to 178,911.99, 246,893.67 and 98,339.54
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Solution
The fourth proportional to 178,911.99, 246,893.67 and 98,339.54 is: 135,705.88
Step by Step Solution
- Step 1: Write the proportion equation
178,911.99 : 246,893.67 = 98,339.54 : x - Step 2: Convert to fraction form
178,911.99/246,893.67 = 98,339.54/x - Step 3: Cross multiply
178,911.99x = 246,893.67 × 98,339.54 - Step 4: Simplify right side
178,911.99x = 24,279,408,702.24 - Step 5: Solve for x
x = 24,279,408,702.24/178,911.99 - Step 6: Final answer
x = 135,705.88
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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.