Finding the Fourth Proportional to 266,574.62, 367,872.98 and 145,716.41
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Solution
The fourth proportional to 266,574.62, 367,872.98 and 145,716.41 is: 201,088.65
Step by Step Solution
- Step 1: Write the proportion equation
266,574.62 : 367,872.98 = 145,716.41 : x - Step 2: Convert to fraction form
266,574.62/367,872.98 = 145,716.41/x - Step 3: Cross multiply
266,574.62x = 367,872.98 × 145,716.41 - Step 4: Simplify right side
266,574.62x = 53,605,129,981.60 - Step 5: Solve for x
x = 53,605,129,981.60/266,574.62 - Step 6: Final answer
x = 201,088.65
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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.