Finding the Fourth Proportional to 266,737.80, 400,106.70 and 220,657.80
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Solution
The fourth proportional to 266,737.80, 400,106.70 and 220,657.80 is: 330,986.70
Step by Step Solution
- Step 1: Write the proportion equation
266,737.80 : 400,106.70 = 220,657.80 : x - Step 2: Convert to fraction form
266,737.80/400,106.70 = 220,657.80/x - Step 3: Cross multiply
266,737.80x = 400,106.70 × 220,657.80 - Step 4: Simplify right side
266,737.80x = 88,286,664,187.26 - Step 5: Solve for x
x = 88,286,664,187.26/266,737.80 - Step 6: Final answer
x = 330,986.70
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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.