Finding the Fourth Proportional to 146,101.08, 201,587.04 and 82,415.64
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Solution
The fourth proportional to 146,101.08, 201,587.04 and 82,415.64 is: 113,715.28
Step by Step Solution
- Step 1: Write the proportion equation
146,101.08 : 201,587.04 = 82,415.64 : x - Step 2: Convert to fraction form
146,101.08/201,587.04 = 82,415.64/x - Step 3: Cross multiply
146,101.08x = 201,587.04 × 82,415.64 - Step 4: Simplify right side
146,101.08x = 16,613,924,917.31 - Step 5: Solve for x
x = 16,613,924,917.31/146,101.08 - Step 6: Final answer
x = 113,715.28
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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.