Finding the Fourth Proportional to 149,378.06, 206,003.25 and 109,027.91
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Solution
The fourth proportional to 149,378.06, 206,003.25 and 109,027.91 is: 150,357.45
Step by Step Solution
- Step 1: Write the proportion equation
149,378.06 : 206,003.25 = 109,027.91 : x - Step 2: Convert to fraction form
149,378.06/206,003.25 = 109,027.91/x - Step 3: Cross multiply
149,378.06x = 206,003.25 × 109,027.91 - Step 4: Simplify right side
149,378.06x = 22,460,103,800.71 - Step 5: Solve for x
x = 22,460,103,800.71/149,378.06 - Step 6: Final answer
x = 150,357.45
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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.