Finding the Fourth Proportional to 325,324.29, 487,275.69 and 135,208.23
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Solution
The fourth proportional to 325,324.29, 487,275.69 and 135,208.23 is: 202,516.95
Step by Step Solution
- Step 1: Write the proportion equation
325,324.29 : 487,275.69 = 135,208.23 : x - Step 2: Convert to fraction form
325,324.29/487,275.69 = 135,208.23/x - Step 3: Cross multiply
325,324.29x = 487,275.69 × 135,208.23 - Step 4: Simplify right side
325,324.29x = 65,883,683,566.93 - Step 5: Solve for x
x = 65,883,683,566.93/325,324.29 - Step 6: Final answer
x = 202,516.95
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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.