Finding the Fourth Proportional to 328,451.84, 453,263.36 and 177,549.12
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Solution
The fourth proportional to 328,451.84, 453,263.36 and 177,549.12 is: 245,017.69
Step by Step Solution
- Step 1: Write the proportion equation
328,451.84 : 453,263.36 = 177,549.12 : x - Step 2: Convert to fraction form
328,451.84/453,263.36 = 177,549.12/x - Step 3: Cross multiply
328,451.84x = 453,263.36 × 177,549.12 - Step 4: Simplify right side
328,451.84x = 80,476,510,696.24 - Step 5: Solve for x
x = 80,476,510,696.24/328,451.84 - Step 6: Final answer
x = 245,017.69
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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.