Finding the Fourth Proportional to 269,153.60, 371,428.54 and 146,651.09
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Solution
The fourth proportional to 269,153.60, 371,428.54 and 146,651.09 is: 202,376.63
Step by Step Solution
- Step 1: Write the proportion equation
269,153.60 : 371,428.54 = 146,651.09 : x - Step 2: Convert to fraction form
269,153.60/371,428.54 = 146,651.09/x - Step 3: Cross multiply
269,153.60x = 371,428.54 × 146,651.09 - Step 4: Simplify right side
269,153.60x = 54,470,398,024.34 - Step 5: Solve for x
x = 54,470,398,024.34/269,153.60 - Step 6: Final answer
x = 202,376.63
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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.