Finding the Fourth Proportional to 231,294.73, 347,020.87 and 124,688.99
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Solution
The fourth proportional to 231,294.73, 347,020.87 and 124,688.99 is: 187,075.95
Step by Step Solution
- Step 1: Write the proportion equation
231,294.73 : 347,020.87 = 124,688.99 : x - Step 2: Convert to fraction form
231,294.73/347,020.87 = 124,688.99/x - Step 3: Cross multiply
231,294.73x = 347,020.87 × 124,688.99 - Step 4: Simplify right side
231,294.73x = 43,269,681,392.78 - Step 5: Solve for x
x = 43,269,681,392.78/231,294.73 - Step 6: Final answer
x = 187,075.95
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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.