Finding the Fourth Proportional to 211,751.35, 292,219.18 and 114,956.08
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Solution
The fourth proportional to 211,751.35, 292,219.18 and 114,956.08 is: 158,640.65
Step by Step Solution
- Step 1: Write the proportion equation
211,751.35 : 292,219.18 = 114,956.08 : x - Step 2: Convert to fraction form
211,751.35/292,219.18 = 114,956.08/x - Step 3: Cross multiply
211,751.35x = 292,219.18 × 114,956.08 - Step 4: Simplify right side
211,751.35x = 33,592,370,415.68 - Step 5: Solve for x
x = 33,592,370,415.68/211,751.35 - Step 6: Final answer
x = 158,640.65
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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.