Finding the Fourth Proportional to 215,313.60, 322,840.80 and 110,337.60
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Solution
The fourth proportional to 215,313.60, 322,840.80 and 110,337.60 is: 165,439.99
Step by Step Solution
- Step 1: Write the proportion equation
215,313.60 : 322,840.80 = 110,337.60 : x - Step 2: Convert to fraction form
215,313.60/322,840.80 = 110,337.60/x - Step 3: Cross multiply
215,313.60x = 322,840.80 × 110,337.60 - Step 4: Simplify right side
215,313.60x = 35,621,479,054.08 - Step 5: Solve for x
x = 35,621,479,054.08/215,313.60 - Step 6: Final answer
x = 165,439.99
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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.