Finding the Fourth Proportional to 298,138.14, 447,251.52 and 98,479.62
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Solution
The fourth proportional to 298,138.14, 447,251.52 and 98,479.62 is: 147,734.07
Step by Step Solution
- Step 1: Write the proportion equation
298,138.14 : 447,251.52 = 98,479.62 : x - Step 2: Convert to fraction form
298,138.14/447,251.52 = 98,479.62/x - Step 3: Cross multiply
298,138.14x = 447,251.52 × 98,479.62 - Step 4: Simplify right side
298,138.14x = 44,045,159,734.02 - Step 5: Solve for x
x = 44,045,159,734.02/298,138.14 - Step 6: Final answer
x = 147,734.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.