Finding the Fourth Proportional to 158,843.89, 238,195.86 and 74,627.99
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Solution
The fourth proportional to 158,843.89, 238,195.86 and 74,627.99 is: 111,909.11
Step by Step Solution
- Step 1: Write the proportion equation
158,843.89 : 238,195.86 = 74,627.99 : x - Step 2: Convert to fraction form
158,843.89/238,195.86 = 74,627.99/x - Step 3: Cross multiply
158,843.89x = 238,195.86 × 74,627.99 - Step 4: Simplify right side
158,843.89x = 17,776,078,258.12 - Step 5: Solve for x
x = 17,776,078,258.12/158,843.89 - Step 6: Final answer
x = 111,909.11
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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.