Finding the Fourth Proportional to 235,988.22, 353,701.20 and 135,941.18
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Solution
The fourth proportional to 235,988.22, 353,701.20 and 135,941.18 is: 203,749.82
Step by Step Solution
- Step 1: Write the proportion equation
235,988.22 : 353,701.20 = 135,941.18 : x - Step 2: Convert to fraction form
235,988.22/353,701.20 = 135,941.18/x - Step 3: Cross multiply
235,988.22x = 353,701.20 × 135,941.18 - Step 4: Simplify right side
235,988.22x = 48,082,556,726.91 - Step 5: Solve for x
x = 48,082,556,726.91/235,988.22 - Step 6: Final answer
x = 203,749.82
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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.