Finding the Fourth Proportional to 115,420.48, 173,117.76 and 32,320.96
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Solution
The fourth proportional to 115,420.48, 173,117.76 and 32,320.96 is: 48,477.81
Step by Step Solution
- Step 1: Write the proportion equation
115,420.48 : 173,117.76 = 32,320.96 : x - Step 2: Convert to fraction form
115,420.48/173,117.76 = 32,320.96/x - Step 3: Cross multiply
115,420.48x = 173,117.76 × 32,320.96 - Step 4: Simplify right side
115,420.48x = 5,595,332,196.25 - Step 5: Solve for x
x = 5,595,332,196.25/115,420.48 - Step 6: Final answer
x = 48,477.81
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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.