Finding the Fourth Proportional to 216,209.98, 298,205.58 and 186,045.85
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Solution
The fourth proportional to 216,209.98, 298,205.58 and 186,045.85 is: 256,601.99
Step by Step Solution
- Step 1: Write the proportion equation
216,209.98 : 298,205.58 = 186,045.85 : x - Step 2: Convert to fraction form
216,209.98/298,205.58 = 186,045.85/x - Step 3: Cross multiply
216,209.98x = 298,205.58 × 186,045.85 - Step 4: Simplify right side
216,209.98x = 55,479,910,605.84 - Step 5: Solve for x
x = 55,479,910,605.84/216,209.98 - Step 6: Final answer
x = 256,601.99
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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.