Finding the Fourth Proportional to 176,513.80, 264,122.70 and 129,857.80
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Solution
The fourth proportional to 176,513.80, 264,122.70 and 129,857.80 is: 194,309.98
Step by Step Solution
- Step 1: Write the proportion equation
176,513.80 : 264,122.70 = 129,857.80 : x - Step 2: Convert to fraction form
176,513.80/264,122.70 = 129,857.80/x - Step 3: Cross multiply
176,513.80x = 264,122.70 × 129,857.80 - Step 4: Simplify right side
176,513.80x = 34,298,392,752.06 - Step 5: Solve for x
x = 34,298,392,752.06/176,513.80 - Step 6: Final answer
x = 194,309.98
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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.