Finding the Fourth Proportional to 208,843.19, 288,203.81 and 113,349.93
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Solution
The fourth proportional to 208,843.19, 288,203.81 and 113,349.93 is: 156,423.02
Step by Step Solution
- Step 1: Write the proportion equation
208,843.19 : 288,203.81 = 113,349.93 : x - Step 2: Convert to fraction form
208,843.19/288,203.81 = 113,349.93/x - Step 3: Cross multiply
208,843.19x = 288,203.81 × 113,349.93 - Step 4: Simplify right side
208,843.19x = 32,667,881,122.48 - Step 5: Solve for x
x = 32,667,881,122.48/208,843.19 - Step 6: Final answer
x = 156,423.02
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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.