Finding the Fourth Proportional to 149,727.93, 206,378.37 and 106,135.08
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Solution
The fourth proportional to 149,727.93, 206,378.37 and 106,135.08 is: 146,291.91
Step by Step Solution
- Step 1: Write the proportion equation
149,727.93 : 206,378.37 = 106,135.08 : x - Step 2: Convert to fraction form
149,727.93/206,378.37 = 106,135.08/x - Step 3: Cross multiply
149,727.93x = 206,378.37 × 106,135.08 - Step 4: Simplify right side
149,727.93x = 21,903,984,810.22 - Step 5: Solve for x
x = 21,903,984,810.22/149,727.93 - Step 6: Final answer
x = 146,291.91
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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.