Finding the Fourth Proportional to 83,265.74, 124,917.04 and 38,868.26
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Solution
The fourth proportional to 83,265.74, 124,917.04 and 38,868.26 is: 58,310.99
Step by Step Solution
- Step 1: Write the proportion equation
83,265.74 : 124,917.04 = 38,868.26 : x - Step 2: Convert to fraction form
83,265.74/124,917.04 = 38,868.26/x - Step 3: Cross multiply
83,265.74x = 124,917.04 × 38,868.26 - Step 4: Simplify right side
83,265.74x = 4,855,307,989.15 - Step 5: Solve for x
x = 4,855,307,989.15/83,265.74 - Step 6: Final answer
x = 58,310.99
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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.