Finding the Fourth Proportional to 475,689.19, 656,795.54 and 306,218.56
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Solution
The fourth proportional to 475,689.19, 656,795.54 and 306,218.56 is: 422,803.35
Step by Step Solution
- Step 1: Write the proportion equation
475,689.19 : 656,795.54 = 306,218.56 : x - Step 2: Convert to fraction form
475,689.19/656,795.54 = 306,218.56/x - Step 3: Cross multiply
475,689.19x = 656,795.54 × 306,218.56 - Step 4: Simplify right side
475,689.19x = 201,122,982,942.13 - Step 5: Solve for x
x = 201,122,982,942.13/475,689.19 - Step 6: Final answer
x = 422,803.35
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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.