Finding the Fourth Proportional to 328,081.68, 452,752.74 and 177,178.68
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Solution
The fourth proportional to 328,081.68, 452,752.74 and 177,178.68 is: 244,506.59
Step by Step Solution
- Step 1: Write the proportion equation
328,081.68 : 452,752.74 = 177,178.68 : x - Step 2: Convert to fraction form
328,081.68/452,752.74 = 177,178.68/x - Step 3: Cross multiply
328,081.68x = 452,752.74 × 177,178.68 - Step 4: Simplify right side
328,081.68x = 80,218,132,839.58 - Step 5: Solve for x
x = 80,218,132,839.58/328,081.68 - Step 6: Final answer
x = 244,506.59
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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.