Finding the Fourth Proportional to 269,738.40, 405,068.40 and 176,656.80
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Solution
The fourth proportional to 269,738.40, 405,068.40 and 176,656.80 is: 265,286.99
Step by Step Solution
- Step 1: Write the proportion equation
269,738.40 : 405,068.40 = 176,656.80 : x - Step 2: Convert to fraction form
269,738.40/405,068.40 = 176,656.80/x - Step 3: Cross multiply
269,738.40x = 405,068.40 × 176,656.80 - Step 4: Simplify right side
269,738.40x = 71,558,087,325.12 - Step 5: Solve for x
x = 71,558,087,325.12/269,738.40 - Step 6: Final answer
x = 265,286.99
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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.