Finding the Fourth Proportional to 267,421.80, 401,132.70 and 214,933.80
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Solution
The fourth proportional to 267,421.80, 401,132.70 and 214,933.80 is: 322,400.70
Step by Step Solution
- Step 1: Write the proportion equation
267,421.80 : 401,132.70 = 214,933.80 : x - Step 2: Convert to fraction form
267,421.80/401,132.70 = 214,933.80/x - Step 3: Cross multiply
267,421.80x = 401,132.70 × 214,933.80 - Step 4: Simplify right side
267,421.80x = 86,216,975,515.26 - Step 5: Solve for x
x = 86,216,975,515.26/267,421.80 - Step 6: Final answer
x = 322,400.70
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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.