Finding the Fourth Proportional to 202,944.74, 280,044.69 and 137,400.26
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Solution
The fourth proportional to 202,944.74, 280,044.69 and 137,400.26 is: 189,599.46
Step by Step Solution
- Step 1: Write the proportion equation
202,944.74 : 280,044.69 = 137,400.26 : x - Step 2: Convert to fraction form
202,944.74/280,044.69 = 137,400.26/x - Step 3: Cross multiply
202,944.74x = 280,044.69 × 137,400.26 - Step 4: Simplify right side
202,944.74x = 38,478,213,217.62 - Step 5: Solve for x
x = 38,478,213,217.62/202,944.74 - Step 6: Final answer
x = 189,599.46
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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.