Finding the Fourth Proportional to 163,028.70, 244,543.05 and 74,455.20
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Solution
The fourth proportional to 163,028.70, 244,543.05 and 74,455.20 is: 111,682.80
Step by Step Solution
- Step 1: Write the proportion equation
163,028.70 : 244,543.05 = 74,455.20 : x - Step 2: Convert to fraction form
163,028.70/244,543.05 = 74,455.20/x - Step 3: Cross multiply
163,028.70x = 244,543.05 × 74,455.20 - Step 4: Simplify right side
163,028.70x = 18,207,501,696.36 - Step 5: Solve for x
x = 18,207,501,696.36/163,028.70 - Step 6: Final answer
x = 111,682.80
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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.