Finding the Fourth Proportional to 278,541.66, 418,107.69 and 173,434.62
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Solution
The fourth proportional to 278,541.66, 418,107.69 and 173,434.62 is: 260,335.74
Step by Step Solution
- Step 1: Write the proportion equation
278,541.66 : 418,107.69 = 173,434.62 : x - Step 2: Convert to fraction form
278,541.66/418,107.69 = 173,434.62/x - Step 3: Cross multiply
278,541.66x = 418,107.69 × 173,434.62 - Step 4: Simplify right side
278,541.66x = 72,514,348,334.23 - Step 5: Solve for x
x = 72,514,348,334.23/278,541.66 - Step 6: Final answer
x = 260,335.74
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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.