Finding the Fourth Proportional to 74,814.99, 112,203.29 and 22,212.27
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Solution
The fourth proportional to 74,814.99, 112,203.29 and 22,212.27 is: 33,312.70
Step by Step Solution
- Step 1: Write the proportion equation
74,814.99 : 112,203.29 = 22,212.27 : x - Step 2: Convert to fraction form
74,814.99/112,203.29 = 22,212.27/x - Step 3: Cross multiply
74,814.99x = 112,203.29 × 22,212.27 - Step 4: Simplify right side
74,814.99x = 2,492,289,661.31 - Step 5: Solve for x
x = 2,492,289,661.31/74,814.99 - Step 6: Final answer
x = 33,312.70
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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.