Finding the Fourth Proportional to 542,893.44, 749,193.84 and 301,176.03
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Solution
The fourth proportional to 542,893.44, 749,193.84 and 301,176.03 is: 415,623.42
Step by Step Solution
- Step 1: Write the proportion equation
542,893.44 : 749,193.84 = 301,176.03 : x - Step 2: Convert to fraction form
542,893.44/749,193.84 = 301,176.03/x - Step 3: Cross multiply
542,893.44x = 749,193.84 × 301,176.03 - Step 4: Simplify right side
542,893.44x = 225,639,226,431.66 - Step 5: Solve for x
x = 225,639,226,431.66/542,893.44 - Step 6: Final answer
x = 415,623.42
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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.