Finding the Fourth Proportional to 267,403.80, 401,105.70 and 214,915.80
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Solution
The fourth proportional to 267,403.80, 401,105.70 and 214,915.80 is: 322,373.70
Step by Step Solution
- Step 1: Write the proportion equation
267,403.80 : 401,105.70 = 214,915.80 : x - Step 2: Convert to fraction form
267,403.80/401,105.70 = 214,915.80/x - Step 3: Cross multiply
267,403.80x = 401,105.70 × 214,915.80 - Step 4: Simplify right side
267,403.80x = 86,203,952,400.06 - Step 5: Solve for x
x = 86,203,952,400.06/267,403.80 - Step 6: Final answer
x = 322,373.70
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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.