Finding the Fourth Proportional to 149,445.71, 223,216.12 and 135,192.26
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Solution
The fourth proportional to 149,445.71, 223,216.12 and 135,192.26 is: 201,926.78
Step by Step Solution
- Step 1: Write the proportion equation
149,445.71 : 223,216.12 = 135,192.26 : x - Step 2: Convert to fraction form
149,445.71/223,216.12 = 135,192.26/x - Step 3: Cross multiply
149,445.71x = 223,216.12 × 135,192.26 - Step 4: Simplify right side
149,445.71x = 30,177,092,458.26 - Step 5: Solve for x
x = 30,177,092,458.26/149,445.71 - Step 6: Final answer
x = 201,926.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.