Finding the Fourth Proportional to 391,984.68, 541,170.75 and 246,914.82
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Solution
The fourth proportional to 391,984.68, 541,170.75 and 246,914.82 is: 340,888.52
Step by Step Solution
- Step 1: Write the proportion equation
391,984.68 : 541,170.75 = 246,914.82 : x - Step 2: Convert to fraction form
391,984.68/541,170.75 = 246,914.82/x - Step 3: Cross multiply
391,984.68x = 541,170.75 × 246,914.82 - Step 4: Simplify right side
391,984.68x = 133,623,078,325.52 - Step 5: Solve for x
x = 133,623,078,325.52/391,984.68 - Step 6: Final answer
x = 340,888.52
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1.5x scale
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.