Finding the Fourth Proportional to 144,483.36, 216,687.75 and 43,261.44
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Solution
The fourth proportional to 144,483.36, 216,687.75 and 43,261.44 is: 64,880.99
Step by Step Solution
- Step 1: Write the proportion equation
144,483.36 : 216,687.75 = 43,261.44 : x - Step 2: Convert to fraction form
144,483.36/216,687.75 = 43,261.44/x - Step 3: Cross multiply
144,483.36x = 216,687.75 × 43,261.44 - Step 4: Simplify right side
144,483.36x = 9,374,224,095.36 - Step 5: Solve for x
x = 9,374,224,095.36/144,483.36 - Step 6: Final answer
x = 64,880.99
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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.