Finding the Fourth Proportional to 170,796.74, 256,351.35 and 86,615.01
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Solution
The fourth proportional to 170,796.74, 256,351.35 and 86,615.01 is: 130,001.75
Step by Step Solution
- Step 1: Write the proportion equation
170,796.74 : 256,351.35 = 86,615.01 : x - Step 2: Convert to fraction form
170,796.74/256,351.35 = 86,615.01/x - Step 3: Cross multiply
170,796.74x = 256,351.35 × 86,615.01 - Step 4: Simplify right side
170,796.74x = 22,203,874,743.76 - Step 5: Solve for x
x = 22,203,874,743.76/170,796.74 - Step 6: Final answer
x = 130,001.75
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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.