Finding the Fourth Proportional to 302,841.28, 454,343.84 and 115,858.88
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Solution
The fourth proportional to 302,841.28, 454,343.84 and 115,858.88 is: 173,819.66
Step by Step Solution
- Step 1: Write the proportion equation
302,841.28 : 454,343.84 = 115,858.88 : x - Step 2: Convert to fraction form
302,841.28/454,343.84 = 115,858.88/x - Step 3: Cross multiply
302,841.28x = 454,343.84 × 115,858.88 - Step 4: Simplify right side
302,841.28x = 52,639,768,437.30 - Step 5: Solve for x
x = 52,639,768,437.30/302,841.28 - Step 6: Final answer
x = 173,819.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.