Finding the Fourth Proportional to 149,284.84, 206,021.76 and 112,425.08
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Solution
The fourth proportional to 149,284.84, 206,021.76 and 112,425.08 is: 155,153.15
Step by Step Solution
- Step 1: Write the proportion equation
149,284.84 : 206,021.76 = 112,425.08 : x - Step 2: Convert to fraction form
149,284.84/206,021.76 = 112,425.08/x - Step 3: Cross multiply
149,284.84x = 206,021.76 × 112,425.08 - Step 4: Simplify right side
149,284.84x = 23,162,012,849.74 - Step 5: Solve for x
x = 23,162,012,849.74/149,284.84 - Step 6: Final answer
x = 155,153.15
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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.