Finding the Fourth Proportional to 272,039.19, 407,643.26 and 114,181.53
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Solution
The fourth proportional to 272,039.19, 407,643.26 and 114,181.53 is: 171,097.89
Step by Step Solution
- Step 1: Write the proportion equation
272,039.19 : 407,643.26 = 114,181.53 : x - Step 2: Convert to fraction form
272,039.19/407,643.26 = 114,181.53/x - Step 3: Cross multiply
272,039.19x = 407,643.26 × 114,181.53 - Step 4: Simplify right side
272,039.19x = 46,545,330,550.08 - Step 5: Solve for x
x = 46,545,330,550.08/272,039.19 - Step 6: Final answer
x = 171,097.89
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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.