Finding the Fourth Proportional to 149,315.84, 206,055.81 and 82,247.84
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Solution
The fourth proportional to 149,315.84, 206,055.81 and 82,247.84 is: 113,501.99
Step by Step Solution
- Step 1: Write the proportion equation
149,315.84 : 206,055.81 = 82,247.84 : x - Step 2: Convert to fraction form
149,315.84/206,055.81 = 82,247.84/x - Step 3: Cross multiply
149,315.84x = 206,055.81 × 82,247.84 - Step 4: Simplify right side
149,315.84x = 16,947,645,291.95 - Step 5: Solve for x
x = 16,947,645,291.95/149,315.84 - Step 6: Final answer
x = 113,501.99
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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.