Finding the Fourth Proportional to 158,593.99, 237,917.66 and 78,635.91
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Solution
The fourth proportional to 158,593.99, 237,917.66 and 78,635.91 is: 117,967.09
Step by Step Solution
- Step 1: Write the proportion equation
158,593.99 : 237,917.66 = 78,635.91 : x - Step 2: Convert to fraction form
158,593.99/237,917.66 = 78,635.91/x - Step 3: Cross multiply
158,593.99x = 237,917.66 × 78,635.91 - Step 4: Simplify right side
158,593.99x = 18,708,871,699.17 - Step 5: Solve for x
x = 18,708,871,699.17/158,593.99 - Step 6: Final answer
x = 117,967.09
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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.