Finding the Fourth Proportional to 480,115.15, 720,326.57 and 336,170.91
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Solution
The fourth proportional to 480,115.15, 720,326.57 and 336,170.91 is: 504,364.09
Step by Step Solution
- Step 1: Write the proportion equation
480,115.15 : 720,326.57 = 336,170.91 : x - Step 2: Convert to fraction form
480,115.15/720,326.57 = 336,170.91/x - Step 3: Cross multiply
480,115.15x = 720,326.57 × 336,170.91 - Step 4: Simplify right side
480,115.15x = 242,152,837,393.57 - Step 5: Solve for x
x = 242,152,837,393.57/480,115.15 - Step 6: Final answer
x = 504,364.09
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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.