Finding the Fourth Proportional to 285,133.97, 393,572.52 and 164,355.99
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Solution
The fourth proportional to 285,133.97, 393,572.52 and 164,355.99 is: 226,861.78
Step by Step Solution
- Step 1: Write the proportion equation
285,133.97 : 393,572.52 = 164,355.99 : x - Step 2: Convert to fraction form
285,133.97/393,572.52 = 164,355.99/x - Step 3: Cross multiply
285,133.97x = 393,572.52 × 164,355.99 - Step 4: Simplify right side
285,133.97x = 64,685,999,685.50 - Step 5: Solve for x
x = 64,685,999,685.50/285,133.97 - Step 6: Final answer
x = 226,861.78
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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.