Finding the Fourth Proportional to 146,029.92, 201,506.16 and 107,809.80
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Solution
The fourth proportional to 146,029.92, 201,506.16 and 107,809.80 is: 148,766.35
Step by Step Solution
- Step 1: Write the proportion equation
146,029.92 : 201,506.16 = 107,809.80 : x - Step 2: Convert to fraction form
146,029.92/201,506.16 = 107,809.80/x - Step 3: Cross multiply
146,029.92x = 201,506.16 × 107,809.80 - Step 4: Simplify right side
146,029.92x = 21,724,338,808.37 - Step 5: Solve for x
x = 21,724,338,808.37/146,029.92 - Step 6: Final answer
x = 148,766.35
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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.