Finding the Fourth Proportional to 543,076.48, 749,431.84 and 301,358.08
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Solution
The fourth proportional to 543,076.48, 749,431.84 and 301,358.08 is: 415,866.55
Step by Step Solution
- Step 1: Write the proportion equation
543,076.48 : 749,431.84 = 301,358.08 : x - Step 2: Convert to fraction form
543,076.48/749,431.84 = 301,358.08/x - Step 3: Cross multiply
543,076.48x = 749,431.84 × 301,358.08 - Step 4: Simplify right side
543,076.48x = 225,847,340,393.27 - Step 5: Solve for x
x = 225,847,340,393.27/543,076.48 - Step 6: Final answer
x = 415,866.55
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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.