Finding the Fourth Proportional to 216,150.84, 298,293.20 and 135,581.76
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Solution
The fourth proportional to 216,150.84, 298,293.20 and 135,581.76 is: 187,105.99
Step by Step Solution
- Step 1: Write the proportion equation
216,150.84 : 298,293.20 = 135,581.76 : x - Step 2: Convert to fraction form
216,150.84/298,293.20 = 135,581.76/x - Step 3: Cross multiply
216,150.84x = 298,293.20 × 135,581.76 - Step 4: Simplify right side
216,150.84x = 40,443,117,052.03 - Step 5: Solve for x
x = 40,443,117,052.03/216,150.84 - Step 6: Final answer
x = 187,105.99
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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.