Finding the Fourth Proportional to 178,043.75, 245,700.38 and 98,555.75
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Solution
The fourth proportional to 178,043.75, 245,700.38 and 98,555.75 is: 136,006.94
Step by Step Solution
- Step 1: Write the proportion equation
178,043.75 : 245,700.38 = 98,555.75 : x - Step 2: Convert to fraction form
178,043.75/245,700.38 = 98,555.75/x - Step 3: Cross multiply
178,043.75x = 245,700.38 × 98,555.75 - Step 4: Simplify right side
178,043.75x = 24,215,185,226.19 - Step 5: Solve for x
x = 24,215,185,226.19/178,043.75 - Step 6: Final answer
x = 136,006.94
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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.