Finding the Fourth Proportional to 557,281.09, 769,283.34 and 376,238.26
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Solution
The fourth proportional to 557,281.09, 769,283.34 and 376,238.26 is: 519,367.75
Step by Step Solution
- Step 1: Write the proportion equation
557,281.09 : 769,283.34 = 376,238.26 : x - Step 2: Convert to fraction form
557,281.09/769,283.34 = 376,238.26/x - Step 3: Cross multiply
557,281.09x = 769,283.34 × 376,238.26 - Step 4: Simplify right side
557,281.09x = 289,433,821,442.17 - Step 5: Solve for x
x = 289,433,821,442.17/557,281.09 - Step 6: Final answer
x = 519,367.75
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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.