Finding the Fourth Proportional to 254,395.49, 381,236.83 and 191,175.19
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Solution
The fourth proportional to 254,395.49, 381,236.83 and 191,175.19 is: 286,494.95
Step by Step Solution
- Step 1: Write the proportion equation
254,395.49 : 381,236.83 = 191,175.19 : x - Step 2: Convert to fraction form
254,395.49/381,236.83 = 191,175.19/x - Step 3: Cross multiply
254,395.49x = 381,236.83 × 191,175.19 - Step 4: Simplify right side
254,395.49x = 72,883,021,979.22 - Step 5: Solve for x
x = 72,883,021,979.22/254,395.49 - Step 6: Final answer
x = 286,494.95
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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.