Finding the Fourth Proportional to 149,851.92, 206,602.68 and 106,880.40
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Solution
The fourth proportional to 149,851.92, 206,602.68 and 106,880.40 is: 147,357.32
Step by Step Solution
- Step 1: Write the proportion equation
149,851.92 : 206,602.68 = 106,880.40 : x - Step 2: Convert to fraction form
149,851.92/206,602.68 = 106,880.40/x - Step 3: Cross multiply
149,851.92x = 206,602.68 × 106,880.40 - Step 4: Simplify right side
149,851.92x = 22,081,777,079.47 - Step 5: Solve for x
x = 22,081,777,079.47/149,851.92 - Step 6: Final answer
x = 147,357.32
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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.