Finding the Fourth Proportional to 137,875.08, 206,987.62 and 117,229.80
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Solution
The fourth proportional to 137,875.08, 206,987.62 and 117,229.80 is: 175,993.50
Step by Step Solution
- Step 1: Write the proportion equation
137,875.08 : 206,987.62 = 117,229.80 : x - Step 2: Convert to fraction form
137,875.08/206,987.62 = 117,229.80/x - Step 3: Cross multiply
137,875.08x = 206,987.62 × 117,229.80 - Step 4: Simplify right side
137,875.08x = 24,265,117,295.08 - Step 5: Solve for x
x = 24,265,117,295.08/137,875.08 - Step 6: Final answer
x = 175,993.50
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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.