Finding the Fourth Proportional to 121,611.08, 182,444.72 and 38,505.08
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Solution
The fourth proportional to 121,611.08, 182,444.72 and 38,505.08 is: 57,766.52
Step by Step Solution
- Step 1: Write the proportion equation
121,611.08 : 182,444.72 = 38,505.08 : x - Step 2: Convert to fraction form
121,611.08/182,444.72 = 38,505.08/x - Step 3: Cross multiply
121,611.08x = 182,444.72 × 38,505.08 - Step 4: Simplify right side
121,611.08x = 7,025,048,539.18 - Step 5: Solve for x
x = 7,025,048,539.18/121,611.08 - Step 6: Final answer
x = 57,766.52
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1.5x scale
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.