Finding the Fourth Proportional to 328,518.65, 453,355.70 and 177,615.65
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Solution
The fourth proportional to 328,518.65, 453,355.70 and 177,615.65 is: 245,109.58
Step by Step Solution
- Step 1: Write the proportion equation
328,518.65 : 453,355.70 = 177,615.65 : x - Step 2: Convert to fraction form
328,518.65/453,355.70 = 177,615.65/x - Step 3: Cross multiply
328,518.65x = 453,355.70 × 177,615.65 - Step 4: Simplify right side
328,518.65x = 80,523,067,582.02 - Step 5: Solve for x
x = 80,523,067,582.02/328,518.65 - Step 6: Final answer
x = 245,109.58
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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.