Finding the Fourth Proportional to 222,373.17, 306,749.70 and 140,676.08
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Solution
The fourth proportional to 222,373.17, 306,749.70 and 140,676.08 is: 194,053.73
Step by Step Solution
- Step 1: Write the proportion equation
222,373.17 : 306,749.70 = 140,676.08 : x - Step 2: Convert to fraction form
222,373.17/306,749.70 = 140,676.08/x - Step 3: Cross multiply
222,373.17x = 306,749.70 × 140,676.08 - Step 4: Simplify right side
222,373.17x = 43,152,343,100.05 - Step 5: Solve for x
x = 43,152,343,100.05/222,373.17 - Step 6: Final answer
x = 194,053.73
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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.