Finding the Fourth Proportional to 83,424.17, 125,135.20 and 20,244.81
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Solution
The fourth proportional to 83,424.17, 125,135.20 and 20,244.81 is: 30,366.96
Step by Step Solution
- Step 1: Write the proportion equation
83,424.17 : 125,135.20 = 20,244.81 : x - Step 2: Convert to fraction form
83,424.17/125,135.20 = 20,244.81/x - Step 3: Cross multiply
83,424.17x = 125,135.20 × 20,244.81 - Step 4: Simplify right side
83,424.17x = 2,533,338,348.31 - Step 5: Solve for x
x = 2,533,338,348.31/83,424.17 - Step 6: Final answer
x = 30,366.96
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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.