Finding the Fourth Proportional to 187,528.18, 258,778.92 and 102,628.84
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Solution
The fourth proportional to 187,528.18, 258,778.92 and 102,628.84 is: 141,622.34
Step by Step Solution
- Step 1: Write the proportion equation
187,528.18 : 258,778.92 = 102,628.84 : x - Step 2: Convert to fraction form
187,528.18/258,778.92 = 102,628.84/x - Step 3: Cross multiply
187,528.18x = 258,778.92 × 102,628.84 - Step 4: Simplify right side
187,528.18x = 26,558,180,376.05 - Step 5: Solve for x
x = 26,558,180,376.05/187,528.18 - Step 6: Final answer
x = 141,622.34
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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.