Finding the Fourth Proportional to 266,806.67, 400,210.00 and 126,488.75
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Solution
The fourth proportional to 266,806.67, 400,210.00 and 126,488.75 is: 189,733.12
Step by Step Solution
- Step 1: Write the proportion equation
266,806.67 : 400,210.00 = 126,488.75 : x - Step 2: Convert to fraction form
266,806.67/400,210.00 = 126,488.75/x - Step 3: Cross multiply
266,806.67x = 400,210.00 × 126,488.75 - Step 4: Simplify right side
266,806.67x = 50,622,060,320.23 - Step 5: Solve for x
x = 50,622,060,320.23/266,806.67 - Step 6: Final answer
x = 189,733.12
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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.