Finding the Fourth Proportional to 328,428.68, 453,231.29 and 177,525.68
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Solution
The fourth proportional to 328,428.68, 453,231.29 and 177,525.68 is: 244,985.28
Step by Step Solution
- Step 1: Write the proportion equation
328,428.68 : 453,231.29 = 177,525.68 : x - Step 2: Convert to fraction form
328,428.68/453,231.29 = 177,525.68/x - Step 3: Cross multiply
328,428.68x = 453,231.29 × 177,525.68 - Step 4: Simplify right side
328,428.68x = 80,460,192,066.90 - Step 5: Solve for x
x = 80,460,192,066.90/328,428.68 - Step 6: Final answer
x = 244,985.28
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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.