Finding the Fourth Proportional to 341,261.80, 511,892.70 and 288,117.70
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Solution
The fourth proportional to 341,261.80, 511,892.70 and 288,117.70 is: 432,176.55
Step by Step Solution
- Step 1: Write the proportion equation
341,261.80 : 511,892.70 = 288,117.70 : x - Step 2: Convert to fraction form
341,261.80/511,892.70 = 288,117.70/x - Step 3: Cross multiply
341,261.80x = 511,892.70 × 288,117.70 - Step 4: Simplify right side
341,261.80x = 147,485,347,370.79 - Step 5: Solve for x
x = 147,485,347,370.79/341,261.80 - Step 6: Final answer
x = 432,176.55
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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.