Finding the Fourth Proportional to 328,873.63, 453,845.60 and 177,970.63
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Solution
The fourth proportional to 328,873.63, 453,845.60 and 177,970.63 is: 245,599.46
Step by Step Solution
- Step 1: Write the proportion equation
328,873.63 : 453,845.60 = 177,970.63 : x - Step 2: Convert to fraction form
328,873.63/453,845.60 = 177,970.63/x - Step 3: Cross multiply
328,873.63x = 453,845.60 × 177,970.63 - Step 4: Simplify right side
328,873.63x = 80,771,187,354.73 - Step 5: Solve for x
x = 80,771,187,354.73/328,873.63 - Step 6: Final answer
x = 245,599.46
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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.