Finding the Fourth Proportional to 538,569.62, 743,182.36 and 312,229.70
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Solution
The fourth proportional to 538,569.62, 743,182.36 and 312,229.70 is: 430,851.64
Step by Step Solution
- Step 1: Write the proportion equation
538,569.62 : 743,182.36 = 312,229.70 : x - Step 2: Convert to fraction form
538,569.62/743,182.36 = 312,229.70/x - Step 3: Cross multiply
538,569.62x = 743,182.36 × 312,229.70 - Step 4: Simplify right side
538,569.62x = 232,043,605,308.09 - Step 5: Solve for x
x = 232,043,605,308.09/538,569.62 - Step 6: Final answer
x = 430,851.64
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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.