Finding the Fourth Proportional to 197,445.88, 272,479.98 and 112,570.84
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Solution
The fourth proportional to 197,445.88, 272,479.98 and 112,570.84 is: 155,350.42
Step by Step Solution
- Step 1: Write the proportion equation
197,445.88 : 272,479.98 = 112,570.84 : x - Step 2: Convert to fraction form
197,445.88/272,479.98 = 112,570.84/x - Step 3: Cross multiply
197,445.88x = 272,479.98 × 112,570.84 - Step 4: Simplify right side
197,445.88x = 30,673,300,231.78 - Step 5: Solve for x
x = 30,673,300,231.78/197,445.88 - Step 6: Final answer
x = 155,350.42
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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.