Finding the Fourth Proportional to 203,427.11, 305,098.96 and 77,023.74
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Solution
The fourth proportional to 203,427.11, 305,098.96 and 77,023.74 is: 115,519.82
Step by Step Solution
- Step 1: Write the proportion equation
203,427.11 : 305,098.96 = 77,023.74 : x - Step 2: Convert to fraction form
203,427.11/305,098.96 = 77,023.74/x - Step 3: Cross multiply
203,427.11x = 305,098.96 × 77,023.74 - Step 4: Simplify right side
203,427.11x = 23,499,862,776.75 - Step 5: Solve for x
x = 23,499,862,776.75/203,427.11 - Step 6: Final answer
x = 115,519.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.