Finding the Fourth Proportional to 404,914.87, 607,742.21 and 205,372.99
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Solution
The fourth proportional to 404,914.87, 607,742.21 and 205,372.99 is: 308,247.10
Step by Step Solution
- Step 1: Write the proportion equation
404,914.87 : 607,742.21 = 205,372.99 : x - Step 2: Convert to fraction form
404,914.87/607,742.21 = 205,372.99/x - Step 3: Cross multiply
404,914.87x = 607,742.21 × 205,372.99 - Step 4: Simplify right side
404,914.87x = 124,813,834,816.91 - Step 5: Solve for x
x = 124,813,834,816.91/404,914.87 - Step 6: Final answer
x = 308,247.10
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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.