Finding the Fourth Proportional to 363,498.93, 545,209.47 and 126,846.09
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Solution
The fourth proportional to 363,498.93, 545,209.47 and 126,846.09 is: 190,255.55
Step by Step Solution
- Step 1: Write the proportion equation
363,498.93 : 545,209.47 = 126,846.09 : x - Step 2: Convert to fraction form
363,498.93/545,209.47 = 126,846.09/x - Step 3: Cross multiply
363,498.93x = 545,209.47 × 126,846.09 - Step 4: Simplify right side
363,498.93x = 69,157,689,500.47 - Step 5: Solve for x
x = 69,157,689,500.47/363,498.93 - Step 6: Final answer
x = 190,255.55
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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.