Finding the Fourth Proportional to 146,305.60, 201,914.16 and 82,655.08
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Solution
The fourth proportional to 146,305.60, 201,914.16 and 82,655.08 is: 114,071.03
Step by Step Solution
- Step 1: Write the proportion equation
146,305.60 : 201,914.16 = 82,655.08 : x - Step 2: Convert to fraction form
146,305.60/201,914.16 = 82,655.08/x - Step 3: Cross multiply
146,305.60x = 201,914.16 × 82,655.08 - Step 4: Simplify right side
146,305.60x = 16,689,231,047.93 - Step 5: Solve for x
x = 16,689,231,047.93/146,305.60 - Step 6: Final answer
x = 114,071.03
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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.