Finding the Fourth Proportional to 306,742.80, 460,129.80 and 96,382.80
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Solution
The fourth proportional to 306,742.80, 460,129.80 and 96,382.80 is: 144,579.10
Step by Step Solution
- Step 1: Write the proportion equation
306,742.80 : 460,129.80 = 96,382.80 : x - Step 2: Convert to fraction form
306,742.80/460,129.80 = 96,382.80/x - Step 3: Cross multiply
306,742.80x = 460,129.80 × 96,382.80 - Step 4: Simplify right side
306,742.80x = 44,348,598,487.44 - Step 5: Solve for x
x = 44,348,598,487.44/306,742.80 - Step 6: Final answer
x = 144,579.10
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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.