Finding the Fourth Proportional to 215,542.08, 323,313.09 and 65,783.14
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Solution
The fourth proportional to 215,542.08, 323,313.09 and 65,783.14 is: 98,674.70
Step by Step Solution
- Step 1: Write the proportion equation
215,542.08 : 323,313.09 = 65,783.14 : x - Step 2: Convert to fraction form
215,542.08/323,313.09 = 65,783.14/x - Step 3: Cross multiply
215,542.08x = 323,313.09 × 65,783.14 - Step 4: Simplify right side
215,542.08x = 21,268,550,263.30 - Step 5: Solve for x
x = 21,268,550,263.30/215,542.08 - Step 6: Final answer
x = 98,674.70
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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.