Finding the Fourth Proportional to 226,291.26, 339,480.58 and 86,038.98
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Solution
The fourth proportional to 226,291.26, 339,480.58 and 86,038.98 is: 129,075.08
Step by Step Solution
- Step 1: Write the proportion equation
226,291.26 : 339,480.58 = 86,038.98 : x - Step 2: Convert to fraction form
226,291.26/339,480.58 = 86,038.98/x - Step 3: Cross multiply
226,291.26x = 339,480.58 × 86,038.98 - Step 4: Simplify right side
226,291.26x = 29,208,562,833.01 - Step 5: Solve for x
x = 29,208,562,833.01/226,291.26 - Step 6: Final answer
x = 129,075.08
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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.