Finding the Fourth Proportional to 104,800.80, 157,201.20 and 29,920.80
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Solution
The fourth proportional to 104,800.80, 157,201.20 and 29,920.80 is: 44,881.20
Step by Step Solution
- Step 1: Write the proportion equation
104,800.80 : 157,201.20 = 29,920.80 : x - Step 2: Convert to fraction form
104,800.80/157,201.20 = 29,920.80/x - Step 3: Cross multiply
104,800.80x = 157,201.20 × 29,920.80 - Step 4: Simplify right side
104,800.80x = 4,703,585,664.96 - Step 5: Solve for x
x = 4,703,585,664.96/104,800.80 - Step 6: Final answer
x = 44,881.20
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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.