Finding the Fourth Proportional to 328,714.68, 453,633.35 and 181,539.09
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Solution
The fourth proportional to 328,714.68, 453,633.35 and 181,539.09 is: 250,527.86
Step by Step Solution
- Step 1: Write the proportion equation
328,714.68 : 453,633.35 = 181,539.09 : x - Step 2: Convert to fraction form
328,714.68/453,633.35 = 181,539.09/x - Step 3: Cross multiply
328,714.68x = 453,633.35 × 181,539.09 - Step 4: Simplify right side
328,714.68x = 82,352,185,552.65 - Step 5: Solve for x
x = 82,352,185,552.65/328,714.68 - Step 6: Final answer
x = 250,527.86
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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.