Finding the Fourth Proportional to 345,911.68, 518,821.44 and 96,618.88
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Solution
The fourth proportional to 345,911.68, 518,821.44 and 96,618.88 is: 144,915.45
Step by Step Solution
- Step 1: Write the proportion equation
345,911.68 : 518,821.44 = 96,618.88 : x - Step 2: Convert to fraction form
345,911.68/518,821.44 = 96,618.88/x - Step 3: Cross multiply
345,911.68x = 518,821.44 × 96,618.88 - Step 4: Simplify right side
345,911.68x = 50,127,946,452.79 - Step 5: Solve for x
x = 50,127,946,452.79/345,911.68 - Step 6: Final answer
x = 144,915.45
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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.