Finding the Fourth Proportional to 235,088.40, 352,783.80 and 129,982.80
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Solution
The fourth proportional to 235,088.40, 352,783.80 and 129,982.80 is: 195,057.80
Step by Step Solution
- Step 1: Write the proportion equation
235,088.40 : 352,783.80 = 129,982.80 : x - Step 2: Convert to fraction form
235,088.40/352,783.80 = 129,982.80/x - Step 3: Cross multiply
235,088.40x = 352,783.80 × 129,982.80 - Step 4: Simplify right side
235,088.40x = 45,855,826,118.64 - Step 5: Solve for x
x = 45,855,826,118.64/235,088.40 - Step 6: Final answer
x = 195,057.80
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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.