Finding the Fourth Proportional to 156,268.05, 216,069.15 and 149,083.75
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Solution
The fourth proportional to 156,268.05, 216,069.15 and 149,083.75 is: 206,135.54
Step by Step Solution
- Step 1: Write the proportion equation
156,268.05 : 216,069.15 = 149,083.75 : x - Step 2: Convert to fraction form
156,268.05/216,069.15 = 149,083.75/x - Step 3: Cross multiply
156,268.05x = 216,069.15 × 149,083.75 - Step 4: Simplify right side
156,268.05x = 32,212,399,141.31 - Step 5: Solve for x
x = 32,212,399,141.31/156,268.05 - Step 6: Final answer
x = 206,135.54
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1.5x scale
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.