Finding the Fourth Proportional to 258,250.84, 387,493.11 and 131,825.80
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Solution
The fourth proportional to 258,250.84, 387,493.11 and 131,825.80 is: 197,798.35
Step by Step Solution
- Step 1: Write the proportion equation
258,250.84 : 387,493.11 = 131,825.80 : x - Step 2: Convert to fraction form
258,250.84/387,493.11 = 131,825.80/x - Step 3: Cross multiply
258,250.84x = 387,493.11 × 131,825.80 - Step 4: Simplify right side
258,250.84x = 51,081,589,220.24 - Step 5: Solve for x
x = 51,081,589,220.24/258,250.84 - Step 6: Final answer
x = 197,798.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.