Finding the Fourth Proportional to 363,607.18, 545,369.05 and 138,962.62
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Solution
The fourth proportional to 363,607.18, 545,369.05 and 138,962.62 is: 208,427.99
Step by Step Solution
- Step 1: Write the proportion equation
363,607.18 : 545,369.05 = 138,962.62 : x - Step 2: Convert to fraction form
363,607.18/545,369.05 = 138,962.62/x - Step 3: Cross multiply
363,607.18x = 545,369.05 × 138,962.62 - Step 4: Simplify right side
363,607.18x = 75,785,912,910.33 - Step 5: Solve for x
x = 75,785,912,910.33/363,607.18 - Step 6: Final answer
x = 208,427.99
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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.