Finding the Fourth Proportional to 266,181.62, 398,940.14 and 133,099.94
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Solution
The fourth proportional to 266,181.62, 398,940.14 and 133,099.94 is: 199,483.75
Step by Step Solution
- Step 1: Write the proportion equation
266,181.62 : 398,940.14 = 133,099.94 : x - Step 2: Convert to fraction form
266,181.62/398,940.14 = 133,099.94/x - Step 3: Cross multiply
266,181.62x = 398,940.14 × 133,099.94 - Step 4: Simplify right side
266,181.62x = 53,098,908,697.59 - Step 5: Solve for x
x = 53,098,908,697.59/266,181.62 - Step 6: Final answer
x = 199,483.75
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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.