Finding the Fourth Proportional to 146,454.48, 202,102.56 and 82,788.48
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Solution
The fourth proportional to 146,454.48, 202,102.56 and 82,788.48 is: 114,245.49
Step by Step Solution
- Step 1: Write the proportion equation
146,454.48 : 202,102.56 = 82,788.48 : x - Step 2: Convert to fraction form
146,454.48/202,102.56 = 82,788.48/x - Step 3: Cross multiply
146,454.48x = 202,102.56 × 82,788.48 - Step 4: Simplify right side
146,454.48x = 16,731,763,746.51 - Step 5: Solve for x
x = 16,731,763,746.51/146,454.48 - Step 6: Final answer
x = 114,245.49
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1.5x scale
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.