Finding the Fourth Proportional to 445,935.40, 615,582.84 and 273,881.28
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Solution
The fourth proportional to 445,935.40, 615,582.84 and 273,881.28 is: 378,074.08
Step by Step Solution
- Step 1: Write the proportion equation
445,935.40 : 615,582.84 = 273,881.28 : x - Step 2: Convert to fraction form
445,935.40/615,582.84 = 273,881.28/x - Step 3: Cross multiply
445,935.40x = 615,582.84 × 273,881.28 - Step 4: Simplify right side
445,935.40x = 168,596,616,165.24 - Step 5: Solve for x
x = 168,596,616,165.24/445,935.40 - Step 6: Final answer
x = 378,074.08
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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.