Finding the Fourth Proportional to 216,080.24, 324,117.75 and 56,142.02
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Solution
The fourth proportional to 216,080.24, 324,117.75 and 56,142.02 is: 84,212.35
Step by Step Solution
- Step 1: Write the proportion equation
216,080.24 : 324,117.75 = 56,142.02 : x - Step 2: Convert to fraction form
216,080.24/324,117.75 = 56,142.02/x - Step 3: Cross multiply
216,080.24x = 324,117.75 × 56,142.02 - Step 4: Simplify right side
216,080.24x = 18,196,625,312.10 - Step 5: Solve for x
x = 18,196,625,312.10/216,080.24 - Step 6: Final answer
x = 84,212.35
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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.