Finding the Fourth Proportional to 176,203.80, 264,305.70 and 81,433.80
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Solution
The fourth proportional to 176,203.80, 264,305.70 and 81,433.80 is: 122,150.70
Step by Step Solution
- Step 1: Write the proportion equation
176,203.80 : 264,305.70 = 81,433.80 : x - Step 2: Convert to fraction form
176,203.80/264,305.70 = 81,433.80/x - Step 3: Cross multiply
176,203.80x = 264,305.70 × 81,433.80 - Step 4: Simplify right side
176,203.80x = 21,523,417,512.66 - Step 5: Solve for x
x = 21,523,417,512.66/176,203.80 - Step 6: Final answer
x = 122,150.70
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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.