Finding the Fourth Proportional to 163,368.90, 244,708.90 and 74,696.99
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Solution
The fourth proportional to 163,368.90, 244,708.90 and 74,696.99 is: 111,887.98
Step by Step Solution
- Step 1: Write the proportion equation
163,368.90 : 244,708.90 = 74,696.99 : x - Step 2: Convert to fraction form
163,368.90/244,708.90 = 74,696.99/x - Step 3: Cross multiply
163,368.90x = 244,708.90 × 74,696.99 - Step 4: Simplify right side
163,368.90x = 18,279,016,845.92 - Step 5: Solve for x
x = 18,279,016,845.92/163,368.90 - Step 6: Final answer
x = 111,887.98
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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.