Finding the Fourth Proportional to 108,363.36, 149,553.84 and 60,628.80
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Solution
The fourth proportional to 108,363.36, 149,553.84 and 60,628.80 is: 83,674.68
Step by Step Solution
- Step 1: Write the proportion equation
108,363.36 : 149,553.84 = 60,628.80 : x - Step 2: Convert to fraction form
108,363.36/149,553.84 = 60,628.80/x - Step 3: Cross multiply
108,363.36x = 149,553.84 × 60,628.80 - Step 4: Simplify right side
108,363.36x = 9,067,269,854.59 - Step 5: Solve for x
x = 9,067,269,854.59/108,363.36 - Step 6: Final answer
x = 83,674.68
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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.