Finding the Fourth Proportional to 170,798.23, 256,353.60 and 86,616.50
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Solution
The fourth proportional to 170,798.23, 256,353.60 and 86,616.50 is: 130,003.99
Step by Step Solution
- Step 1: Write the proportion equation
170,798.23 : 256,353.60 = 86,616.50 : x - Step 2: Convert to fraction form
170,798.23/256,353.60 = 86,616.50/x - Step 3: Cross multiply
170,798.23x = 256,353.60 × 86,616.50 - Step 4: Simplify right side
170,798.23x = 22,204,451,594.40 - Step 5: Solve for x
x = 22,204,451,594.40/170,798.23 - Step 6: Final answer
x = 130,003.99
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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.