Finding the Fourth Proportional to 285,710.52, 394,224.99 and 169,402.50
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Solution
The fourth proportional to 285,710.52, 394,224.99 and 169,402.50 is: 233,742.53
Step by Step Solution
- Step 1: Write the proportion equation
285,710.52 : 394,224.99 = 169,402.50 : x - Step 2: Convert to fraction form
285,710.52/394,224.99 = 169,402.50/x - Step 3: Cross multiply
285,710.52x = 394,224.99 × 169,402.50 - Step 4: Simplify right side
285,710.52x = 66,782,698,868.48 - Step 5: Solve for x
x = 66,782,698,868.48/285,710.52 - Step 6: Final answer
x = 233,742.53
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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.