Finding the Fourth Proportional to 153,936.16, 230,917.84 and 43,128.48
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Solution
The fourth proportional to 153,936.16, 230,917.84 and 43,128.48 is: 64,696.53
Step by Step Solution
- Step 1: Write the proportion equation
153,936.16 : 230,917.84 = 43,128.48 : x - Step 2: Convert to fraction form
153,936.16/230,917.84 = 43,128.48/x - Step 3: Cross multiply
153,936.16x = 230,917.84 × 43,128.48 - Step 4: Simplify right side
153,936.16x = 9,959,135,444.08 - Step 5: Solve for x
x = 9,959,135,444.08/153,936.16 - Step 6: Final answer
x = 64,696.53
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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.