Finding the Fourth Proportional to 146,612.48, 219,922.80 and 51,829.26
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Solution
The fourth proportional to 146,612.48, 219,922.80 and 51,829.26 is: 77,745.33
Step by Step Solution
- Step 1: Write the proportion equation
146,612.48 : 219,922.80 = 51,829.26 : x - Step 2: Convert to fraction form
146,612.48/219,922.80 = 51,829.26/x - Step 3: Cross multiply
146,612.48x = 219,922.80 × 51,829.26 - Step 4: Simplify right side
146,612.48x = 11,398,435,981.13 - Step 5: Solve for x
x = 11,398,435,981.13/146,612.48 - Step 6: Final answer
x = 77,745.33
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1.5x scale
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.