Finding the Fourth Proportional to 159,243.90, 219,750.00 and 86,647.09
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Solution
The fourth proportional to 159,243.90, 219,750.00 and 86,647.09 is: 119,569.40
Step by Step Solution
- Step 1: Write the proportion equation
159,243.90 : 219,750.00 = 86,647.09 : x - Step 2: Convert to fraction form
159,243.90/219,750.00 = 86,647.09/x - Step 3: Cross multiply
159,243.90x = 219,750.00 × 86,647.09 - Step 4: Simplify right side
159,243.90x = 19,040,698,183.28 - Step 5: Solve for x
x = 19,040,698,183.28/159,243.90 - Step 6: Final answer
x = 119,569.40
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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.