Finding the Fourth Proportional to 355,319.99, 490,342.86 and 194,175.06
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Solution
The fourth proportional to 355,319.99, 490,342.86 and 194,175.06 is: 267,962.28
Step by Step Solution
- Step 1: Write the proportion equation
355,319.99 : 490,342.86 = 194,175.06 : x - Step 2: Convert to fraction form
355,319.99/490,342.86 = 194,175.06/x - Step 3: Cross multiply
355,319.99x = 490,342.86 × 194,175.06 - Step 4: Simplify right side
355,319.99x = 95,212,354,261.07 - Step 5: Solve for x
x = 95,212,354,261.07/355,319.99 - Step 6: Final answer
x = 267,962.28
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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.