Finding the Fourth Proportional to 328,865.28, 453,833.28 and 177,964.80
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Solution
The fourth proportional to 328,865.28, 453,833.28 and 177,964.80 is: 245,590.99
Step by Step Solution
- Step 1: Write the proportion equation
328,865.28 : 453,833.28 = 177,964.80 : x - Step 2: Convert to fraction form
328,865.28/453,833.28 = 177,964.80/x - Step 3: Cross multiply
328,865.28x = 453,833.28 × 177,964.80 - Step 4: Simplify right side
328,865.28x = 80,766,348,908.54 - Step 5: Solve for x
x = 80,766,348,908.54/328,865.28 - Step 6: Final answer
x = 245,590.99
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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.