Finding the Fourth Proportional to 366,939.80, 550,409.70 and 226,971.80
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Solution
The fourth proportional to 366,939.80, 550,409.70 and 226,971.80 is: 340,457.70
Step by Step Solution
- Step 1: Write the proportion equation
366,939.80 : 550,409.70 = 226,971.80 : x - Step 2: Convert to fraction form
366,939.80/550,409.70 = 226,971.80/x - Step 3: Cross multiply
366,939.80x = 550,409.70 × 226,971.80 - Step 4: Simplify right side
366,939.80x = 124,927,480,346.46 - Step 5: Solve for x
x = 124,927,480,346.46/366,939.80 - Step 6: Final answer
x = 340,457.70
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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.