Finding the Fourth Proportional to 272,299.92, 375,745.04 and 151,421.68
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Solution
The fourth proportional to 272,299.92, 375,745.04 and 151,421.68 is: 208,945.88
Step by Step Solution
- Step 1: Write the proportion equation
272,299.92 : 375,745.04 = 151,421.68 : x - Step 2: Convert to fraction form
272,299.92/375,745.04 = 151,421.68/x - Step 3: Cross multiply
272,299.92x = 375,745.04 × 151,421.68 - Step 4: Simplify right side
272,299.92x = 56,895,945,208.47 - Step 5: Solve for x
x = 56,895,945,208.47/272,299.92 - Step 6: Final answer
x = 208,945.88
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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.