Finding the Fourth Proportional to 328,972.84, 453,982.02 and 178,070.44
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Solution
The fourth proportional to 328,972.84, 453,982.02 and 178,070.44 is: 245,736.94
Step by Step Solution
- Step 1: Write the proportion equation
328,972.84 : 453,982.02 = 178,070.44 : x - Step 2: Convert to fraction form
328,972.84/453,982.02 = 178,070.44/x - Step 3: Cross multiply
328,972.84x = 453,982.02 × 178,070.44 - Step 4: Simplify right side
328,972.84x = 80,840,778,053.49 - Step 5: Solve for x
x = 80,840,778,053.49/328,972.84 - Step 6: Final answer
x = 245,736.94
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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.