Finding the Fourth Proportional to 125,028.96, 187,537.68 and 36,280.68
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Solution
The fourth proportional to 125,028.96, 187,537.68 and 36,280.68 is: 54,419.35
Step by Step Solution
- Step 1: Write the proportion equation
125,028.96 : 187,537.68 = 36,280.68 : x - Step 2: Convert to fraction form
125,028.96/187,537.68 = 36,280.68/x - Step 3: Cross multiply
125,028.96x = 187,537.68 × 36,280.68 - Step 4: Simplify right side
125,028.96x = 6,803,994,556.02 - Step 5: Solve for x
x = 6,803,994,556.02/125,028.96 - Step 6: Final answer
x = 54,419.35
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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.