Finding the Fourth Proportional to 206,887.10, 310,330.65 and 101,911.10
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Solution
The fourth proportional to 206,887.10, 310,330.65 and 101,911.10 is: 152,866.65
Step by Step Solution
- Step 1: Write the proportion equation
206,887.10 : 310,330.65 = 101,911.10 : x - Step 2: Convert to fraction form
206,887.10/310,330.65 = 101,911.10/x - Step 3: Cross multiply
206,887.10x = 310,330.65 × 101,911.10 - Step 4: Simplify right side
206,887.10x = 31,626,137,905.22 - Step 5: Solve for x
x = 31,626,137,905.22/206,887.10 - Step 6: Final answer
x = 152,866.65
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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.