Finding the Fourth Proportional to 266,164.12, 398,913.93 and 133,082.44
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Solution
The fourth proportional to 266,164.12, 398,913.93 and 133,082.44 is: 199,457.53
Step by Step Solution
- Step 1: Write the proportion equation
266,164.12 : 398,913.93 = 133,082.44 : x - Step 2: Convert to fraction form
266,164.12/398,913.93 = 133,082.44/x - Step 3: Cross multiply
266,164.12x = 398,913.93 × 133,082.44 - Step 4: Simplify right side
266,164.12x = 53,088,437,159.82 - Step 5: Solve for x
x = 53,088,437,159.82/266,164.12 - Step 6: Final answer
x = 199,457.53
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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.