Finding the Fourth Proportional to 221,492.40, 332,335.80 and 103,102.80
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Solution
The fourth proportional to 221,492.40, 332,335.80 and 103,102.80 is: 154,699.45
Step by Step Solution
- Step 1: Write the proportion equation
221,492.40 : 332,335.80 = 103,102.80 : x - Step 2: Convert to fraction form
221,492.40/332,335.80 = 103,102.80/x - Step 3: Cross multiply
221,492.40x = 332,335.80 × 103,102.80 - Step 4: Simplify right side
221,492.40x = 34,264,751,520.24 - Step 5: Solve for x
x = 34,264,751,520.24/221,492.40 - Step 6: Final answer
x = 154,699.45
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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.