Finding the Fourth Proportional to 328,657.12, 493,159.26 and 233,211.09
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Solution
The fourth proportional to 328,657.12, 493,159.26 and 233,211.09 is: 349,939.79
Step by Step Solution
- Step 1: Write the proportion equation
328,657.12 : 493,159.26 = 233,211.09 : x - Step 2: Convert to fraction form
328,657.12/493,159.26 = 233,211.09/x - Step 3: Cross multiply
328,657.12x = 493,159.26 × 233,211.09 - Step 4: Simplify right side
328,657.12x = 115,010,204,936.34 - Step 5: Solve for x
x = 115,010,204,936.34/328,657.12 - Step 6: Final answer
x = 349,939.79
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1.5x scale
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.