Finding the Fourth Proportional to 250,833.78, 346,138.52 and 143,415.63
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Solution
The fourth proportional to 250,833.78, 346,138.52 and 143,415.63 is: 197,906.65
Step by Step Solution
- Step 1: Write the proportion equation
250,833.78 : 346,138.52 = 143,415.63 : x - Step 2: Convert to fraction form
250,833.78/346,138.52 = 143,415.63/x - Step 3: Cross multiply
250,833.78x = 346,138.52 × 143,415.63 - Step 4: Simplify right side
250,833.78x = 49,641,673,195.99 - Step 5: Solve for x
x = 49,641,673,195.99/250,833.78 - Step 6: Final answer
x = 197,906.65
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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.