Finding the Fourth Proportional to 149,451.92, 206,233.34 and 84,050.53
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Solution
The fourth proportional to 149,451.92, 206,233.34 and 84,050.53 is: 115,983.92
Step by Step Solution
- Step 1: Write the proportion equation
149,451.92 : 206,233.34 = 84,050.53 : x - Step 2: Convert to fraction form
149,451.92/206,233.34 = 84,050.53/x - Step 3: Cross multiply
149,451.92x = 206,233.34 × 84,050.53 - Step 4: Simplify right side
149,451.92x = 17,334,020,079.25 - Step 5: Solve for x
x = 17,334,020,079.25/149,451.92 - Step 6: Final answer
x = 115,983.92
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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.