Finding the Fourth Proportional to 157,723.68, 236,589.12 and 52,551.12
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Solution
The fourth proportional to 157,723.68, 236,589.12 and 52,551.12 is: 78,827.88
Step by Step Solution
- Step 1: Write the proportion equation
157,723.68 : 236,589.12 = 52,551.12 : x - Step 2: Convert to fraction form
157,723.68/236,589.12 = 52,551.12/x - Step 3: Cross multiply
157,723.68x = 236,589.12 × 52,551.12 - Step 4: Simplify right side
157,723.68x = 12,433,023,235.81 - Step 5: Solve for x
x = 12,433,023,235.81/157,723.68 - Step 6: Final answer
x = 78,827.88
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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.