Finding the Fourth Proportional to 498,147.60, 687,235.68 and 326,107.68
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Solution
The fourth proportional to 498,147.60, 687,235.68 and 326,107.68 is: 449,892.43
Step by Step Solution
- Step 1: Write the proportion equation
498,147.60 : 687,235.68 = 326,107.68 : x - Step 2: Convert to fraction form
498,147.60/687,235.68 = 326,107.68/x - Step 3: Cross multiply
498,147.60x = 687,235.68 × 326,107.68 - Step 4: Simplify right side
498,147.60x = 224,112,833,218.02 - Step 5: Solve for x
x = 224,112,833,218.02/498,147.60 - Step 6: Final answer
x = 449,892.43
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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.