Finding the Fourth Proportional to 404,913.87, 607,740.71 and 205,371.99
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Solution
The fourth proportional to 404,913.87, 607,740.71 and 205,371.99 is: 308,245.60
Step by Step Solution
- Step 1: Write the proportion equation
404,913.87 : 607,740.71 = 205,371.99 : x - Step 2: Convert to fraction form
404,913.87/607,740.71 = 205,371.99/x - Step 3: Cross multiply
404,913.87x = 607,740.71 × 205,371.99 - Step 4: Simplify right side
404,913.87x = 124,812,917,989.85 - Step 5: Solve for x
x = 124,812,917,989.85/404,913.87 - Step 6: Final answer
x = 308,245.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.