Finding the Fourth Proportional to 170,176.68, 255,232.08 and 64,970.64
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Solution
The fourth proportional to 170,176.68, 255,232.08 and 64,970.64 is: 97,443.38
Step by Step Solution
- Step 1: Write the proportion equation
170,176.68 : 255,232.08 = 64,970.64 : x - Step 2: Convert to fraction form
170,176.68/255,232.08 = 64,970.64/x - Step 3: Cross multiply
170,176.68x = 255,232.08 × 64,970.64 - Step 4: Simplify right side
170,176.68x = 16,582,591,586.13 - Step 5: Solve for x
x = 16,582,591,586.13/170,176.68 - Step 6: Final answer
x = 97,443.38
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1.5x scale
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.