Finding the Fourth Proportional to 269,237.80, 403,856.70 and 216,749.80
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Solution
The fourth proportional to 269,237.80, 403,856.70 and 216,749.80 is: 325,124.70
Step by Step Solution
- Step 1: Write the proportion equation
269,237.80 : 403,856.70 = 216,749.80 : x - Step 2: Convert to fraction form
269,237.80/403,856.70 = 216,749.80/x - Step 3: Cross multiply
269,237.80x = 403,856.70 × 216,749.80 - Step 4: Simplify right side
269,237.80x = 87,535,858,953.66 - Step 5: Solve for x
x = 87,535,858,953.66/269,237.80 - Step 6: Final answer
x = 325,124.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.