Finding the Fourth Proportional to 177,272.80, 265,261.20 and 130,616.80
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Solution
The fourth proportional to 177,272.80, 265,261.20 and 130,616.80 is: 195,447.75
Step by Step Solution
- Step 1: Write the proportion equation
177,272.80 : 265,261.20 = 130,616.80 : x - Step 2: Convert to fraction form
177,272.80/265,261.20 = 130,616.80/x - Step 3: Cross multiply
177,272.80x = 265,261.20 × 130,616.80 - Step 4: Simplify right side
177,272.80x = 34,647,569,108.16 - Step 5: Solve for x
x = 34,647,569,108.16/177,272.80 - Step 6: Final answer
x = 195,447.75
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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.