Finding the Fourth Proportional to 158,494.61, 237,844.99 and 68,625.09
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Solution
The fourth proportional to 158,494.61, 237,844.99 and 68,625.09 is: 102,982.26
Step by Step Solution
- Step 1: Write the proportion equation
158,494.61 : 237,844.99 = 68,625.09 : x - Step 2: Convert to fraction form
158,494.61/237,844.99 = 68,625.09/x - Step 3: Cross multiply
158,494.61x = 237,844.99 × 68,625.09 - Step 4: Simplify right side
158,494.61x = 16,322,133,844.80 - Step 5: Solve for x
x = 16,322,133,844.80/158,494.61 - Step 6: Final answer
x = 102,982.26
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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.