Finding the Fourth Proportional to 498,183.84, 687,296.16 and 306,865.44
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Solution
The fourth proportional to 498,183.84, 687,296.16 and 306,865.44 is: 423,352.63
Step by Step Solution
- Step 1: Write the proportion equation
498,183.84 : 687,296.16 = 306,865.44 : x - Step 2: Convert to fraction form
498,183.84/687,296.16 = 306,865.44/x - Step 3: Cross multiply
498,183.84x = 687,296.16 × 306,865.44 - Step 4: Simplify right side
498,183.84x = 210,907,438,548.71 - Step 5: Solve for x
x = 210,907,438,548.71/498,183.84 - Step 6: Final answer
x = 423,352.63
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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.