Finding the Fourth Proportional to 191,408.05, 264,140.53 and 106,525.09
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Solution
The fourth proportional to 191,408.05, 264,140.53 and 106,525.09 is: 147,003.19
Step by Step Solution
- Step 1: Write the proportion equation
191,408.05 : 264,140.53 = 106,525.09 : x - Step 2: Convert to fraction form
191,408.05/264,140.53 = 106,525.09/x - Step 3: Cross multiply
191,408.05x = 264,140.53 × 106,525.09 - Step 4: Simplify right side
191,408.05x = 28,137,593,730.90 - Step 5: Solve for x
x = 28,137,593,730.90/191,408.05 - Step 6: Final answer
x = 147,003.19
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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.