Finding the Fourth Proportional to 235,307.11, 324,731.63 and 138,493.42
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Solution
The fourth proportional to 235,307.11, 324,731.63 and 138,493.42 is: 191,125.52
Step by Step Solution
- Step 1: Write the proportion equation
235,307.11 : 324,731.63 = 138,493.42 : x - Step 2: Convert to fraction form
235,307.11/324,731.63 = 138,493.42/x - Step 3: Cross multiply
235,307.11x = 324,731.63 × 138,493.42 - Step 4: Simplify right side
235,307.11x = 44,973,194,020.87 - Step 5: Solve for x
x = 44,973,194,020.87/235,307.11 - Step 6: Final answer
x = 191,125.52
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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.