Finding the Fourth Proportional to 286,063.14, 429,234.09 and 117,634.07
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Solution
The fourth proportional to 286,063.14, 429,234.09 and 117,634.07 is: 176,508.42
Step by Step Solution
- Step 1: Write the proportion equation
286,063.14 : 429,234.09 = 117,634.07 : x - Step 2: Convert to fraction form
286,063.14/429,234.09 = 117,634.07/x - Step 3: Cross multiply
286,063.14x = 429,234.09 × 117,634.07 - Step 4: Simplify right side
286,063.14x = 50,492,553,621.40 - Step 5: Solve for x
x = 50,492,553,621.40/286,063.14 - Step 6: Final answer
x = 176,508.42
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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.