Finding the Fourth Proportional to 75,518.86, 113,283.29 and 22,215.62
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Solution
The fourth proportional to 75,518.86, 113,283.29 and 22,215.62 is: 33,324.90
Step by Step Solution
- Step 1: Write the proportion equation
75,518.86 : 113,283.29 = 22,215.62 : x - Step 2: Convert to fraction form
75,518.86/113,283.29 = 22,215.62/x - Step 3: Cross multiply
75,518.86x = 113,283.29 × 22,215.62 - Step 4: Simplify right side
75,518.86x = 2,516,658,012.11 - Step 5: Solve for x
x = 2,516,658,012.11/75,518.86 - Step 6: Final answer
x = 33,324.90
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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.