Finding the Fourth Proportional to 308,135.68, 461,349.12 and 158,053.12
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Solution
The fourth proportional to 308,135.68, 461,349.12 and 158,053.12 is: 236,641.43
Step by Step Solution
- Step 1: Write the proportion equation
308,135.68 : 461,349.12 = 158,053.12 : x - Step 2: Convert to fraction form
308,135.68/461,349.12 = 158,053.12/x - Step 3: Cross multiply
308,135.68x = 461,349.12 × 158,053.12 - Step 4: Simplify right side
308,135.68x = 72,917,667,825.25 - Step 5: Solve for x
x = 72,917,667,825.25/308,135.68 - Step 6: Final answer
x = 236,641.43
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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.