Finding the Fourth Proportional to 487,286.18, 730,979.39 and 183,935.85
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Solution
The fourth proportional to 487,286.18, 730,979.39 and 183,935.85 is: 275,922.70
Step by Step Solution
- Step 1: Write the proportion equation
487,286.18 : 730,979.39 = 183,935.85 : x - Step 2: Convert to fraction form
487,286.18/730,979.39 = 183,935.85/x - Step 3: Cross multiply
487,286.18x = 730,979.39 × 183,935.85 - Step 4: Simplify right side
487,286.18x = 134,453,315,432.13 - Step 5: Solve for x
x = 134,453,315,432.13/487,286.18 - Step 6: Final answer
x = 275,922.70
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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.