Finding the Fourth Proportional to 295,340.12, 407,569.36 and 161,204.12
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Solution
The fourth proportional to 295,340.12, 407,569.36 and 161,204.12 is: 222,461.68
Step by Step Solution
- Step 1: Write the proportion equation
295,340.12 : 407,569.36 = 161,204.12 : x - Step 2: Convert to fraction form
295,340.12/407,569.36 = 161,204.12/x - Step 3: Cross multiply
295,340.12x = 407,569.36 × 161,204.12 - Step 4: Simplify right side
295,340.12x = 65,701,860,017.76 - Step 5: Solve for x
x = 65,701,860,017.76/295,340.12 - Step 6: Final answer
x = 222,461.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.