Finding the Fourth Proportional to 407,204.93, 561,969.37 and 235,130.15
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Solution
The fourth proportional to 407,204.93, 561,969.37 and 235,130.15 is: 324,494.95
Step by Step Solution
- Step 1: Write the proportion equation
407,204.93 : 561,969.37 = 235,130.15 : x - Step 2: Convert to fraction form
407,204.93/561,969.37 = 235,130.15/x - Step 3: Cross multiply
407,204.93x = 561,969.37 × 235,130.15 - Step 4: Simplify right side
407,204.93x = 132,135,941,854.96 - Step 5: Solve for x
x = 132,135,941,854.96/407,204.93 - Step 6: Final answer
x = 324,494.95
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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.