Finding the Fourth Proportional to 176,621.62, 264,743.70 and 128,474.82
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Solution
The fourth proportional to 176,621.62, 264,743.70 and 128,474.82 is: 192,574.95
Step by Step Solution
- Step 1: Write the proportion equation
176,621.62 : 264,743.70 = 128,474.82 : x - Step 2: Convert to fraction form
176,621.62/264,743.70 = 128,474.82/x - Step 3: Cross multiply
176,621.62x = 264,743.70 × 128,474.82 - Step 4: Simplify right side
176,621.62x = 34,012,899,203.63 - Step 5: Solve for x
x = 34,012,899,203.63/176,621.62 - Step 6: Final answer
x = 192,574.95
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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.