Finding the Fourth Proportional to 417,299.52, 625,949.28 and 195,631.68
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Solution
The fourth proportional to 417,299.52, 625,949.28 and 195,631.68 is: 293,447.52
Step by Step Solution
- Step 1: Write the proportion equation
417,299.52 : 625,949.28 = 195,631.68 : x - Step 2: Convert to fraction form
417,299.52/625,949.28 = 195,631.68/x - Step 3: Cross multiply
417,299.52x = 625,949.28 × 195,631.68 - Step 4: Simplify right side
417,299.52x = 122,455,509,241.19 - Step 5: Solve for x
x = 122,455,509,241.19/417,299.52 - Step 6: Final answer
x = 293,447.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.