Finding the Fourth Proportional to 343,407.10, 515,110.65 and 325,911.10
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Solution
The fourth proportional to 343,407.10, 515,110.65 and 325,911.10 is: 488,866.65
Step by Step Solution
- Step 1: Write the proportion equation
343,407.10 : 515,110.65 = 325,911.10 : x - Step 2: Convert to fraction form
343,407.10/515,110.65 = 325,911.10/x - Step 3: Cross multiply
343,407.10x = 515,110.65 × 325,911.10 - Step 4: Simplify right side
343,407.10x = 167,880,278,563.22 - Step 5: Solve for x
x = 167,880,278,563.22/343,407.10 - Step 6: Final answer
x = 488,866.65
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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.