Finding the Fourth Proportional to 197,595.36, 272,683.44 and 112,717.44
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Solution
The fourth proportional to 197,595.36, 272,683.44 and 112,717.44 is: 155,551.12
Step by Step Solution
- Step 1: Write the proportion equation
197,595.36 : 272,683.44 = 112,717.44 : x - Step 2: Convert to fraction form
197,595.36/272,683.44 = 112,717.44/x - Step 3: Cross multiply
197,595.36x = 272,683.44 × 112,717.44 - Step 4: Simplify right side
197,595.36x = 30,736,179,287.19 - Step 5: Solve for x
x = 30,736,179,287.19/197,595.36 - Step 6: Final answer
x = 155,551.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.