Finding the Fourth Proportional to 211,108.44, 291,330.09 and 114,313.35
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Solution
The fourth proportional to 211,108.44, 291,330.09 and 114,313.35 is: 157,752.66
Step by Step Solution
- Step 1: Write the proportion equation
211,108.44 : 291,330.09 = 114,313.35 : x - Step 2: Convert to fraction form
211,108.44/291,330.09 = 114,313.35/x - Step 3: Cross multiply
211,108.44x = 291,330.09 × 114,313.35 - Step 4: Simplify right side
211,108.44x = 33,302,918,543.70 - Step 5: Solve for x
x = 33,302,918,543.70/211,108.44 - Step 6: Final answer
x = 157,752.66
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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.