Finding the Fourth Proportional to 328,428.18, 453,230.60 and 177,525.18
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Solution
The fourth proportional to 328,428.18, 453,230.60 and 177,525.18 is: 244,984.59
Step by Step Solution
- Step 1: Write the proportion equation
328,428.18 : 453,230.60 = 177,525.18 : x - Step 2: Convert to fraction form
328,428.18/453,230.60 = 177,525.18/x - Step 3: Cross multiply
328,428.18x = 453,230.60 × 177,525.18 - Step 4: Simplify right side
328,428.18x = 80,459,842,958.88 - Step 5: Solve for x
x = 80,459,842,958.88/328,428.18 - Step 6: Final answer
x = 244,984.59
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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.