Finding the Fourth Proportional to 135,408.17, 202,979.68 and 56,544.95
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Solution
The fourth proportional to 135,408.17, 202,979.68 and 56,544.95 is: 84,762.06
Step by Step Solution
- Step 1: Write the proportion equation
135,408.17 : 202,979.68 = 56,544.95 : x - Step 2: Convert to fraction form
135,408.17/202,979.68 = 56,544.95/x - Step 3: Cross multiply
135,408.17x = 202,979.68 × 56,544.95 - Step 4: Simplify right side
135,408.17x = 11,477,475,856.62 - Step 5: Solve for x
x = 11,477,475,856.62/135,408.17 - Step 6: Final answer
x = 84,762.06
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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.