Finding the Fourth Proportional to 137,302.08, 206,030.97 and 74,121.36
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Solution
The fourth proportional to 137,302.08, 206,030.97 and 74,121.36 is: 111,224.07
Step by Step Solution
- Step 1: Write the proportion equation
137,302.08 : 206,030.97 = 74,121.36 : x - Step 2: Convert to fraction form
137,302.08/206,030.97 = 74,121.36/x - Step 3: Cross multiply
137,302.08x = 206,030.97 × 74,121.36 - Step 4: Simplify right side
137,302.08x = 15,271,295,698.52 - Step 5: Solve for x
x = 15,271,295,698.52/137,302.08 - Step 6: Final answer
x = 111,224.07
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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.