Finding the Fourth Proportional to 178,912.90, 246,900.35 and 98,348.68
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Solution
The fourth proportional to 178,912.90, 246,900.35 and 98,348.68 is: 135,721.48
Step by Step Solution
- Step 1: Write the proportion equation
178,912.90 : 246,900.35 = 98,348.68 : x - Step 2: Convert to fraction form
178,912.90/246,900.35 = 98,348.68/x - Step 3: Cross multiply
178,912.90x = 246,900.35 × 98,348.68 - Step 4: Simplify right side
178,912.90x = 24,282,323,514.04 - Step 5: Solve for x
x = 24,282,323,514.04/178,912.90 - Step 6: Final answer
x = 135,721.48
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1.5x scale
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.