Finding the Fourth Proportional to 351,976.07, 485,257.10 and 279,619.04
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Solution
The fourth proportional to 351,976.07, 485,257.10 and 279,619.04 is: 385,500.99
Step by Step Solution
- Step 1: Write the proportion equation
351,976.07 : 485,257.10 = 279,619.04 : x - Step 2: Convert to fraction form
351,976.07/485,257.10 = 279,619.04/x - Step 3: Cross multiply
351,976.07x = 485,257.10 × 279,619.04 - Step 4: Simplify right side
351,976.07x = 135,687,124,270.23 - Step 5: Solve for x
x = 135,687,124,270.23/351,976.07 - Step 6: Final answer
x = 385,500.99
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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.