Finding the Fourth Proportional to 249,057.11, 343,787.56 and 147,082.99
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Solution
The fourth proportional to 249,057.11, 343,787.56 and 147,082.99 is: 203,026.94
Step by Step Solution
- Step 1: Write the proportion equation
249,057.11 : 343,787.56 = 147,082.99 : x - Step 2: Convert to fraction form
249,057.11/343,787.56 = 147,082.99/x - Step 3: Cross multiply
249,057.11x = 343,787.56 × 147,082.99 - Step 4: Simplify right side
249,057.11x = 50,565,302,249.60 - Step 5: Solve for x
x = 50,565,302,249.60/249,057.11 - Step 6: Final answer
x = 203,026.94
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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.