Finding the Fourth Proportional to 228,675.80, 315,415.12 and 160,836.68
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Solution
The fourth proportional to 228,675.80, 315,415.12 and 160,836.68 is: 221,843.85
Step by Step Solution
- Step 1: Write the proportion equation
228,675.80 : 315,415.12 = 160,836.68 : x - Step 2: Convert to fraction form
228,675.80/315,415.12 = 160,836.68/x - Step 3: Cross multiply
228,675.80x = 315,415.12 × 160,836.68 - Step 4: Simplify right side
228,675.80x = 50,730,320,722.60 - Step 5: Solve for x
x = 50,730,320,722.60/228,675.80 - Step 6: Final answer
x = 221,843.85
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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.