Finding the Fourth Proportional to 273,442.10, 409,507.05 and 133,036.70
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Solution
The fourth proportional to 273,442.10, 409,507.05 and 133,036.70 is: 199,235.84
Step by Step Solution
- Step 1: Write the proportion equation
273,442.10 : 409,507.05 = 133,036.70 : x - Step 2: Convert to fraction form
273,442.10/409,507.05 = 133,036.70/x - Step 3: Cross multiply
273,442.10x = 409,507.05 × 133,036.70 - Step 4: Simplify right side
273,442.10x = 54,479,466,558.74 - Step 5: Solve for x
x = 54,479,466,558.74/273,442.10 - Step 6: Final answer
x = 199,235.84
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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.