Finding the Fourth Proportional to 316,714.97, 437,065.99 and 171,520.29
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Solution
The fourth proportional to 316,714.97, 437,065.99 and 171,520.29 is: 236,697.65
Step by Step Solution
- Step 1: Write the proportion equation
316,714.97 : 437,065.99 = 171,520.29 : x - Step 2: Convert to fraction form
316,714.97/437,065.99 = 171,520.29/x - Step 3: Cross multiply
316,714.97x = 437,065.99 × 171,520.29 - Step 4: Simplify right side
316,714.97x = 74,965,687,207.34 - Step 5: Solve for x
x = 74,965,687,207.34/316,714.97 - Step 6: Final answer
x = 236,697.65
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1.5x scale
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.