Finding the Fourth Proportional to 245,701.93, 339,082.62 and 147,615.17
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Solution
The fourth proportional to 245,701.93, 339,082.62 and 147,615.17 is: 203,717.32
Step by Step Solution
- Step 1: Write the proportion equation
245,701.93 : 339,082.62 = 147,615.17 : x - Step 2: Convert to fraction form
245,701.93/339,082.62 = 147,615.17/x - Step 3: Cross multiply
245,701.93x = 339,082.62 × 147,615.17 - Step 4: Simplify right side
245,701.93x = 50,053,739,747.24 - Step 5: Solve for x
x = 50,053,739,747.24/245,701.93 - Step 6: Final answer
x = 203,717.32
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1.5x scale
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.