Finding the Fourth Proportional to 250,239.84, 345,327.66 and 137,062.68
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Solution
The fourth proportional to 250,239.84, 345,327.66 and 137,062.68 is: 189,144.68
Step by Step Solution
- Step 1: Write the proportion equation
250,239.84 : 345,327.66 = 137,062.68 : x - Step 2: Convert to fraction form
250,239.84/345,327.66 = 137,062.68/x - Step 3: Cross multiply
250,239.84x = 345,327.66 × 137,062.68 - Step 4: Simplify right side
250,239.84x = 47,331,534,557.73 - Step 5: Solve for x
x = 47,331,534,557.73/250,239.84 - Step 6: Final answer
x = 189,144.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.