Finding the Fourth Proportional to 328,452.56, 492,678.84 and 117,975.68
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Solution
The fourth proportional to 328,452.56, 492,678.84 and 117,975.68 is: 176,963.52
Step by Step Solution
- Step 1: Write the proportion equation
328,452.56 : 492,678.84 = 117,975.68 : x - Step 2: Convert to fraction form
328,452.56/492,678.84 = 117,975.68/x - Step 3: Cross multiply
328,452.56x = 492,678.84 × 117,975.68 - Step 4: Simplify right side
328,452.56x = 58,124,121,170.61 - Step 5: Solve for x
x = 58,124,121,170.61/328,452.56 - Step 6: Final answer
x = 176,963.52
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1.5x scale
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.