Finding the Fourth Proportional to 216,027.99, 298,118.78 and 120,534.68
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Solution
The fourth proportional to 216,027.99, 298,118.78 and 120,534.68 is: 166,337.95
Step by Step Solution
- Step 1: Write the proportion equation
216,027.99 : 298,118.78 = 120,534.68 : x - Step 2: Convert to fraction form
216,027.99/298,118.78 = 120,534.68/x - Step 3: Cross multiply
216,027.99x = 298,118.78 × 120,534.68 - Step 4: Simplify right side
216,027.99x = 35,933,652,343.92 - Step 5: Solve for x
x = 35,933,652,343.92/216,027.99 - Step 6: Final answer
x = 166,337.95
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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.