Finding the Fourth Proportional to 159,408.81, 238,965.53 and 70,614.99
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Solution
The fourth proportional to 159,408.81, 238,965.53 and 70,614.99 is: 105,857.06
Step by Step Solution
- Step 1: Write the proportion equation
159,408.81 : 238,965.53 = 70,614.99 : x - Step 2: Convert to fraction form
159,408.81/238,965.53 = 70,614.99/x - Step 3: Cross multiply
159,408.81x = 238,965.53 × 70,614.99 - Step 4: Simplify right side
159,408.81x = 16,874,548,158.22 - Step 5: Solve for x
x = 16,874,548,158.22/159,408.81 - Step 6: Final answer
x = 105,857.06
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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.