Finding the Fourth Proportional to 74,237.24, 102,370.60 and 51,601.80
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Solution
The fourth proportional to 74,237.24, 102,370.60 and 51,601.80 is: 71,157.11
Step by Step Solution
- Step 1: Write the proportion equation
74,237.24 : 102,370.60 = 51,601.80 : x - Step 2: Convert to fraction form
74,237.24/102,370.60 = 51,601.80/x - Step 3: Cross multiply
74,237.24x = 102,370.60 × 51,601.80 - Step 4: Simplify right side
74,237.24x = 5,282,507,227.08 - Step 5: Solve for x
x = 5,282,507,227.08/74,237.24 - Step 6: Final answer
x = 71,157.11
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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.