Finding the Fourth Proportional to 351,984.08, 485,268.12 and 279,627.05
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Solution
The fourth proportional to 351,984.08, 485,268.12 and 279,627.05 is: 385,512.02
Step by Step Solution
- Step 1: Write the proportion equation
351,984.08 : 485,268.12 = 279,627.05 : x - Step 2: Convert to fraction form
351,984.08/485,268.12 = 279,627.05/x - Step 3: Cross multiply
351,984.08x = 485,268.12 × 279,627.05 - Step 4: Simplify right side
351,984.08x = 135,694,092,854.65 - Step 5: Solve for x
x = 135,694,092,854.65/351,984.08 - Step 6: Final answer
x = 385,512.02
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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.