Finding the Fourth Proportional to 113,408.34, 169,697.27 and 107,325.15
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Solution
The fourth proportional to 113,408.34, 169,697.27 and 107,325.15 is: 160,594.75
Step by Step Solution
- Step 1: Write the proportion equation
113,408.34 : 169,697.27 = 107,325.15 : x - Step 2: Convert to fraction form
113,408.34/169,697.27 = 107,325.15/x - Step 3: Cross multiply
113,408.34x = 169,697.27 × 107,325.15 - Step 4: Simplify right side
113,408.34x = 18,212,784,420.71 - Step 5: Solve for x
x = 18,212,784,420.71/113,408.34 - Step 6: Final answer
x = 160,594.75
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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.