Finding the Fourth Proportional to 351,982.08, 485,265.36 and 279,625.05
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Solution
The fourth proportional to 351,982.08, 485,265.36 and 279,625.05 is: 385,509.26
Step by Step Solution
- Step 1: Write the proportion equation
351,982.08 : 485,265.36 = 279,625.05 : x - Step 2: Convert to fraction form
351,982.08/485,265.36 = 279,625.05/x - Step 3: Cross multiply
351,982.08x = 485,265.36 × 279,625.05 - Step 4: Simplify right side
351,982.08x = 135,692,350,553.27 - Step 5: Solve for x
x = 135,692,350,553.27/351,982.08 - Step 6: Final answer
x = 385,509.26
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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.