Finding the Fourth Proportional to 113,940.57, 157,224.57 and 62,950.26
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Solution
The fourth proportional to 113,940.57, 157,224.57 and 62,950.26 is: 86,863.95
Step by Step Solution
- Step 1: Write the proportion equation
113,940.57 : 157,224.57 = 62,950.26 : x - Step 2: Convert to fraction form
113,940.57/157,224.57 = 62,950.26/x - Step 3: Cross multiply
113,940.57x = 157,224.57 × 62,950.26 - Step 4: Simplify right side
113,940.57x = 9,897,327,559.89 - Step 5: Solve for x
x = 9,897,327,559.89/113,940.57 - Step 6: Final answer
x = 86,863.95
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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.