Finding the Fourth Proportional to 178,923.36, 246,901.76 and 98,348.88
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Solution
The fourth proportional to 178,923.36, 246,901.76 and 98,348.88 is: 135,714.60
Step by Step Solution
- Step 1: Write the proportion equation
178,923.36 : 246,901.76 = 98,348.88 : x - Step 2: Convert to fraction form
178,923.36/246,901.76 = 98,348.88/x - Step 3: Cross multiply
178,923.36x = 246,901.76 × 98,348.88 - Step 4: Simplify right side
178,923.36x = 24,282,511,566.03 - Step 5: Solve for x
x = 24,282,511,566.03/178,923.36 - Step 6: Final answer
x = 135,714.60
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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.