Finding the Fourth Proportional to 292,083.74, 403,087.80 and 164,759.30
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Solution
The fourth proportional to 292,083.74, 403,087.80 and 164,759.30 is: 227,374.74
Step by Step Solution
- Step 1: Write the proportion equation
292,083.74 : 403,087.80 = 164,759.30 : x - Step 2: Convert to fraction form
292,083.74/403,087.80 = 164,759.30/x - Step 3: Cross multiply
292,083.74x = 403,087.80 × 164,759.30 - Step 4: Simplify right side
292,083.74x = 66,412,463,766.54 - Step 5: Solve for x
x = 66,412,463,766.54/292,083.74 - Step 6: Final answer
x = 227,374.74
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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.