Finding the Fourth Proportional to 501,036.21, 751,543.36 and 121,958.94
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Solution
The fourth proportional to 501,036.21, 751,543.36 and 121,958.94 is: 182,935.75
Step by Step Solution
- Step 1: Write the proportion equation
501,036.21 : 751,543.36 = 121,958.94 : x - Step 2: Convert to fraction form
501,036.21/751,543.36 = 121,958.94/x - Step 3: Cross multiply
501,036.21x = 751,543.36 × 121,958.94 - Step 4: Simplify right side
501,036.21x = 91,657,432,635.33 - Step 5: Solve for x
x = 91,657,432,635.33/501,036.21 - Step 6: Final answer
x = 182,935.75
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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.