Finding the Fourth Proportional to 149,284.63, 206,011.36 and 81,302.74
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Solution
The fourth proportional to 149,284.63, 206,011.36 and 81,302.74 is: 112,197.00
Step by Step Solution
- Step 1: Write the proportion equation
149,284.63 : 206,011.36 = 81,302.74 : x - Step 2: Convert to fraction form
149,284.63/206,011.36 = 81,302.74/x - Step 3: Cross multiply
149,284.63x = 206,011.36 × 81,302.74 - Step 4: Simplify right side
149,284.63x = 16,749,288,039.13 - Step 5: Solve for x
x = 16,749,288,039.13/149,284.63 - Step 6: Final answer
x = 112,197.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.