Finding the Fourth Proportional to 328,873.14, 453,844.90 and 177,970.14
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Solution
The fourth proportional to 328,873.14, 453,844.90 and 177,970.14 is: 245,598.78
Step by Step Solution
- Step 1: Write the proportion equation
328,873.14 : 453,844.90 = 177,970.14 : x - Step 2: Convert to fraction form
328,873.14/453,844.90 = 177,970.14/x - Step 3: Cross multiply
328,873.14x = 453,844.90 × 177,970.14 - Step 4: Simplify right side
328,873.14x = 80,770,840,391.29 - Step 5: Solve for x
x = 80,770,840,391.29/328,873.14 - Step 6: Final answer
x = 245,598.78
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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.