Finding the Fourth Proportional to 130,232.75, 179,722.28 and 70,616.75
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Solution
The fourth proportional to 130,232.75, 179,722.28 and 70,616.75 is: 97,451.70
Step by Step Solution
- Step 1: Write the proportion equation
130,232.75 : 179,722.28 = 70,616.75 : x - Step 2: Convert to fraction form
130,232.75/179,722.28 = 70,616.75/x - Step 3: Cross multiply
130,232.75x = 179,722.28 × 70,616.75 - Step 4: Simplify right side
130,232.75x = 12,691,403,316.19 - Step 5: Solve for x
x = 12,691,403,316.19/130,232.75 - Step 6: Final answer
x = 97,451.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.