Finding the Fourth Proportional to 509,039.46, 702,396.23 and 294,137.82
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Solution
The fourth proportional to 509,039.46, 702,396.23 and 294,137.82 is: 405,864.99
Step by Step Solution
- Step 1: Write the proportion equation
509,039.46 : 702,396.23 = 294,137.82 : x - Step 2: Convert to fraction form
509,039.46/702,396.23 = 294,137.82/x - Step 3: Cross multiply
509,039.46x = 702,396.23 × 294,137.82 - Step 4: Simplify right side
509,039.46x = 206,601,294,397.73 - Step 5: Solve for x
x = 206,601,294,397.73/509,039.46 - Step 6: Final answer
x = 405,864.99
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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.