Finding the Fourth Proportional to 175,304.20, 263,129.10 and 86,657.80
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Solution
The fourth proportional to 175,304.20, 263,129.10 and 86,657.80 is: 130,072.12
Step by Step Solution
- Step 1: Write the proportion equation
175,304.20 : 263,129.10 = 86,657.80 : x - Step 2: Convert to fraction form
175,304.20/263,129.10 = 86,657.80/x - Step 3: Cross multiply
175,304.20x = 263,129.10 × 86,657.80 - Step 4: Simplify right side
175,304.20x = 22,802,188,921.98 - Step 5: Solve for x
x = 22,802,188,921.98/175,304.20 - Step 6: Final answer
x = 130,072.12
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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.