Finding the Fourth Proportional to 489,012.05, 733,439.37 and 133,943.03
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Solution
The fourth proportional to 489,012.05, 733,439.37 and 133,943.03 is: 200,892.99
Step by Step Solution
- Step 1: Write the proportion equation
489,012.05 : 733,439.37 = 133,943.03 : x - Step 2: Convert to fraction form
489,012.05/733,439.37 = 133,943.03/x - Step 3: Cross multiply
489,012.05x = 733,439.37 × 133,943.03 - Step 4: Simplify right side
489,012.05x = 98,239,091,539.09 - Step 5: Solve for x
x = 98,239,091,539.09/489,012.05 - Step 6: Final answer
x = 200,892.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.