Finding the Fourth Proportional to 325,322.29, 487,272.69 and 135,206.23
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Solution
The fourth proportional to 325,322.29, 487,272.69 and 135,206.23 is: 202,513.95
Step by Step Solution
- Step 1: Write the proportion equation
325,322.29 : 487,272.69 = 135,206.23 : x - Step 2: Convert to fraction form
325,322.29/487,272.69 = 135,206.23/x - Step 3: Cross multiply
325,322.29x = 487,272.69 × 135,206.23 - Step 4: Simplify right side
325,322.29x = 65,882,303,396.86 - Step 5: Solve for x
x = 65,882,303,396.86/325,322.29 - Step 6: Final answer
x = 202,513.95
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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.