Finding the Fourth Proportional to 124,495.80, 186,743.70 and 41,389.80
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Solution
The fourth proportional to 124,495.80, 186,743.70 and 41,389.80 is: 62,084.70
Step by Step Solution
- Step 1: Write the proportion equation
124,495.80 : 186,743.70 = 41,389.80 : x - Step 2: Convert to fraction form
124,495.80/186,743.70 = 41,389.80/x - Step 3: Cross multiply
124,495.80x = 186,743.70 × 41,389.80 - Step 4: Simplify right side
124,495.80x = 7,729,284,394.26 - Step 5: Solve for x
x = 7,729,284,394.26/124,495.80 - Step 6: Final answer
x = 62,084.70
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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.