Finding the Fourth Proportional to 187,089.77, 280,745.37 and 68,844.14
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Solution
The fourth proportional to 187,089.77, 280,745.37 and 68,844.14 is: 103,306.95
Step by Step Solution
- Step 1: Write the proportion equation
187,089.77 : 280,745.37 = 68,844.14 : x - Step 2: Convert to fraction form
187,089.77/280,745.37 = 68,844.14/x - Step 3: Cross multiply
187,089.77x = 280,745.37 × 68,844.14 - Step 4: Simplify right side
187,089.77x = 19,327,673,556.63 - Step 5: Solve for x
x = 19,327,673,556.63/187,089.77 - Step 6: Final answer
x = 103,306.95
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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.