Finding the Fourth Proportional to 338,064.84, 466,845.54 and 217,415.62
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Solution
The fourth proportional to 338,064.84, 466,845.54 and 217,415.62 is: 300,236.82
Step by Step Solution
- Step 1: Write the proportion equation
338,064.84 : 466,845.54 = 217,415.62 : x - Step 2: Convert to fraction form
338,064.84/466,845.54 = 217,415.62/x - Step 3: Cross multiply
338,064.84x = 466,845.54 × 217,415.62 - Step 4: Simplify right side
338,064.84x = 101,499,512,523.34 - Step 5: Solve for x
x = 101,499,512,523.34/338,064.84 - Step 6: Final answer
x = 300,236.82
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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.