Finding the Fourth Proportional to 511,420.60, 767,209.74 and 174,382.44
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Solution
The fourth proportional to 511,420.60, 767,209.74 and 174,382.44 is: 261,600.54
Step by Step Solution
- Step 1: Write the proportion equation
511,420.60 : 767,209.74 = 174,382.44 : x - Step 2: Convert to fraction form
511,420.60/767,209.74 = 174,382.44/x - Step 3: Cross multiply
511,420.60x = 767,209.74 × 174,382.44 - Step 4: Simplify right side
511,420.60x = 133,787,906,452.97 - Step 5: Solve for x
x = 133,787,906,452.97/511,420.60 - Step 6: Final answer
x = 261,600.54
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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.