Finding the Fourth Proportional to 518,174.07, 777,261.14 and 202,409.55
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Solution
The fourth proportional to 518,174.07, 777,261.14 and 202,409.55 is: 303,614.34
Step by Step Solution
- Step 1: Write the proportion equation
518,174.07 : 777,261.14 = 202,409.55 : x - Step 2: Convert to fraction form
518,174.07/777,261.14 = 202,409.55/x - Step 3: Cross multiply
518,174.07x = 777,261.14 × 202,409.55 - Step 4: Simplify right side
518,174.07x = 157,325,076,567.84 - Step 5: Solve for x
x = 157,325,076,567.84/518,174.07 - Step 6: Final answer
x = 303,614.34
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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.