Finding the Fourth Proportional to 316,444.76, 436,694.30 and 173,213.88
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Solution
The fourth proportional to 316,444.76, 436,694.30 and 173,213.88 is: 239,035.45
Step by Step Solution
- Step 1: Write the proportion equation
316,444.76 : 436,694.30 = 173,213.88 : x - Step 2: Convert to fraction form
316,444.76/436,694.30 = 173,213.88/x - Step 3: Cross multiply
316,444.76x = 436,694.30 × 173,213.88 - Step 4: Simplify right side
316,444.76x = 75,641,514,076.88 - Step 5: Solve for x
x = 75,641,514,076.88/316,444.76 - Step 6: Final answer
x = 239,035.45
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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.