Finding the Fourth Proportional to 176,577.80, 264,866.70 and 81,807.80
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Solution
The fourth proportional to 176,577.80, 264,866.70 and 81,807.80 is: 122,711.70
Step by Step Solution
- Step 1: Write the proportion equation
176,577.80 : 264,866.70 = 81,807.80 : x - Step 2: Convert to fraction form
176,577.80/264,866.70 = 81,807.80/x - Step 3: Cross multiply
176,577.80x = 264,866.70 × 81,807.80 - Step 4: Simplify right side
176,577.80x = 21,668,162,020.26 - Step 5: Solve for x
x = 21,668,162,020.26/176,577.80 - Step 6: Final answer
x = 122,711.70
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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.