Finding the Fourth Proportional to 389,347.24, 536,812.38 and 324,909.32
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Solution
The fourth proportional to 389,347.24, 536,812.38 and 324,909.32 is: 447,968.62
Step by Step Solution
- Step 1: Write the proportion equation
389,347.24 : 536,812.38 = 324,909.32 : x - Step 2: Convert to fraction form
389,347.24/536,812.38 = 324,909.32/x - Step 3: Cross multiply
389,347.24x = 536,812.38 × 324,909.32 - Step 4: Simplify right side
389,347.24x = 174,415,345,353.38 - Step 5: Solve for x
x = 174,415,345,353.38/389,347.24 - Step 6: Final answer
x = 447,968.62
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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.