Finding the Fourth Proportional to 170,800.23, 256,356.60 and 86,618.50
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Solution
The fourth proportional to 170,800.23, 256,356.60 and 86,618.50 is: 130,006.99
Step by Step Solution
- Step 1: Write the proportion equation
170,800.23 : 256,356.60 = 86,618.50 : x - Step 2: Convert to fraction form
170,800.23/256,356.60 = 86,618.50/x - Step 3: Cross multiply
170,800.23x = 256,356.60 × 86,618.50 - Step 4: Simplify right side
170,800.23x = 22,205,224,157.10 - Step 5: Solve for x
x = 22,205,224,157.10/170,800.23 - Step 6: Final answer
x = 130,006.99
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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.