Finding the Fourth Proportional to 202,666.44, 279,679.14 and 113,242.44
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Solution
The fourth proportional to 202,666.44, 279,679.14 and 113,242.44 is: 156,274.26
Step by Step Solution
- Step 1: Write the proportion equation
202,666.44 : 279,679.14 = 113,242.44 : x - Step 2: Convert to fraction form
202,666.44/279,679.14 = 113,242.44/x - Step 3: Cross multiply
202,666.44x = 279,679.14 × 113,242.44 - Step 4: Simplify right side
202,666.44x = 31,671,548,230.70 - Step 5: Solve for x
x = 31,671,548,230.70/202,666.44 - Step 6: Final answer
x = 156,274.26
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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.