Finding the Fourth Proportional to 258,283.38, 386,291.94 and 230,019.63
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Solution
The fourth proportional to 258,283.38, 386,291.94 and 230,019.63 is: 344,020.31
Step by Step Solution
- Step 1: Write the proportion equation
258,283.38 : 386,291.94 = 230,019.63 : x - Step 2: Convert to fraction form
258,283.38/386,291.94 = 230,019.63/x - Step 3: Cross multiply
258,283.38x = 386,291.94 × 230,019.63 - Step 4: Simplify right side
258,283.38x = 88,854,729,110.78 - Step 5: Solve for x
x = 88,854,729,110.78/258,283.38 - Step 6: Final answer
x = 344,020.31
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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.