Finding the Fourth Proportional to 328,873.88, 453,845.94 and 177,970.88
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Solution
The fourth proportional to 328,873.88, 453,845.94 and 177,970.88 is: 245,599.81
Step by Step Solution
- Step 1: Write the proportion equation
328,873.88 : 453,845.94 = 177,970.88 : x - Step 2: Convert to fraction form
328,873.88/453,845.94 = 177,970.88/x - Step 3: Cross multiply
328,873.88x = 453,845.94 × 177,970.88 - Step 4: Simplify right side
328,873.88x = 80,771,361,326.23 - Step 5: Solve for x
x = 80,771,361,326.23/328,873.88 - Step 6: Final answer
x = 245,599.81
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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.