Finding the Fourth Proportional to 233,622.09, 322,401.87 and 138,137.67
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Solution
The fourth proportional to 233,622.09, 322,401.87 and 138,137.67 is: 190,631.99
Step by Step Solution
- Step 1: Write the proportion equation
233,622.09 : 322,401.87 = 138,137.67 : x - Step 2: Convert to fraction form
233,622.09/322,401.87 = 138,137.67/x - Step 3: Cross multiply
233,622.09x = 322,401.87 × 138,137.67 - Step 4: Simplify right side
233,622.09x = 44,535,843,125.44 - Step 5: Solve for x
x = 44,535,843,125.44/233,622.09 - Step 6: Final answer
x = 190,631.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.