Finding the Fourth Proportional to 221,887.48, 306,204.52 and 119,912.88
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Solution
The fourth proportional to 221,887.48, 306,204.52 and 119,912.88 is: 165,479.67
Step by Step Solution
- Step 1: Write the proportion equation
221,887.48 : 306,204.52 = 119,912.88 : x - Step 2: Convert to fraction form
221,887.48/306,204.52 = 119,912.88/x - Step 3: Cross multiply
221,887.48x = 306,204.52 × 119,912.88 - Step 4: Simplify right side
221,887.48x = 36,717,865,862.22 - Step 5: Solve for x
x = 36,717,865,862.22/221,887.48 - Step 6: Final answer
x = 165,479.67
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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.