Finding the Fourth Proportional to 514,362.20, 709,825.53 and 284,922.99
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Solution
The fourth proportional to 514,362.20, 709,825.53 and 284,922.99 is: 393,196.89
Step by Step Solution
- Step 1: Write the proportion equation
514,362.20 : 709,825.53 = 284,922.99 : x - Step 2: Convert to fraction form
514,362.20/709,825.53 = 284,922.99/x - Step 3: Cross multiply
514,362.20x = 709,825.53 × 284,922.99 - Step 4: Simplify right side
514,362.20x = 202,245,613,454.40 - Step 5: Solve for x
x = 202,245,613,454.40/514,362.20 - Step 6: Final answer
x = 393,196.89
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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.