Finding the Fourth Proportional to 214,024.80, 320,422.80 and 207,880.80
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Solution
The fourth proportional to 214,024.80, 320,422.80 and 207,880.80 is: 311,224.44
Step by Step Solution
- Step 1: Write the proportion equation
214,024.80 : 320,422.80 = 207,880.80 : x - Step 2: Convert to fraction form
214,024.80/320,422.80 = 207,880.80/x - Step 3: Cross multiply
214,024.80x = 320,422.80 × 207,880.80 - Step 4: Simplify right side
214,024.80x = 66,609,748,002.24 - Step 5: Solve for x
x = 66,609,748,002.24/214,024.80 - Step 6: Final answer
x = 311,224.44
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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.