Finding the Fourth Proportional to 545,910.24, 818,700.12 and 190,858.08
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Solution
The fourth proportional to 545,910.24, 818,700.12 and 190,858.08 is: 286,229.35
Step by Step Solution
- Step 1: Write the proportion equation
545,910.24 : 818,700.12 = 190,858.08 : x - Step 2: Convert to fraction form
545,910.24/818,700.12 = 190,858.08/x - Step 3: Cross multiply
545,910.24x = 818,700.12 × 190,858.08 - Step 4: Simplify right side
545,910.24x = 156,255,532,998.97 - Step 5: Solve for x
x = 156,255,532,998.97/545,910.24 - Step 6: Final answer
x = 286,229.35
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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.